A Complete these sentences using had to or must have been.完成以下句子,用had to或must have been填空。
Example:
He is very tired because he had to get up early this morning.
He didn't get up early this morning. He must have been tired.
1 He didn't come to work yesterday. He ______ ill.
2 He didn't come to the office this morning. He ______ stay at home.3 I don't think she was Austrian. She ______German.
4 I lost my pen so I ______ buy a new one.
5 He forgot his case so he ______ return home.
6 She didn't hear the phone. She ______ sleeping.
B Write new sentences.
模仿例句改寫以下句子。
Example:
I think she was Danish. (Swedish)
I don't think she was. She can't have been Danish.
She must have been Swedish.
1 I think they were Canadian. (Australian)
2 I think she was Finnish. (Russian)
3 I think they were Japanese. (Chinese)
4 I think they were butchers. (bakers)
5 I think she was a dentist. (doctor)
6 I think he was a sales rep. (the boss)
7 I think she was seventeen. (twenty-one)
8 I think they were five. (seven)
9 I think he was seventy-six. (over eighty)
10 I think she was fifty-five. (under fifty)
11 I think it was the 17th yesterday. (16th)
12 I think it was Tuesday yesterday. (Wednesday)
13 I think it was the 19th yesterday. (20th)
14 I think it was cheap. (expensive)
15 I think it was easy. (difficult)
16 I think she was old. (young)
17 I think he was ill. (tired)
18 I think they were listening to the radio. (watching television)
19 I think she was retiring. (looking for a new job)
20 I think they were sitting. (standing)
答案:
Lesson130
A
1 He must have been ill.
2 He had to stay at home.
3 She must have been German.
4 I lost my pen so I had to buy a new one.
5 He forgot his case so he had to return home.
6 She must have been sleeping.
B
1 I don't think they were. They can't have been Canadian. They must have been Australian.
2 I don't think she was, She can't have been Finnish. She must have been Russian.
3 I don't think they were. They can't have been Japanese. They must have been Chinese.
4 I don't think they were. They can't have been butchers. They must have been bakers.
5 I don't think she was. She can't have been a dentist. She must have been a doctor.
6 I don't think he was. He can't have been a sales rep. He must have been the boss.
7 I don't think she was. She can't have been seventeen. She must have been twenty-one.
8 I don't think they were. They can't have been five. They must have been seven.
9 I don't think he was. He can't have been seventy-six. He must have been over eighty.
10 I don't think she was. She can't have been fifty-five. She must have been under fifty.
11 I don't think it was. It can't have been the 17th yesterday. It must have been the l6th yesterday.
12 I don't think it was. It can't have been Tuesday yesterday. It must have been Wednesday yesterday.
13 I don't think it was. It can't have been the 19th yesterday. It must have been the 20th yesterday.
14 I don't think it was. It can't have been cheap. It must have been expensive.
15 I don't think it was. It can't have been easy. It must have been difficult.
16 I don't think she was. She c an't have been old. She must have been young.
17 I don't think he was. He can't have been ill. He must have been tired.
18 I don't think they were. They Can't have been listening to the radio. They must have been Watching television.
19 I don't think she was. She can't have been retiring. She must have been looking for a new job.20 I don't think they were. They can't have been sitting. They must have been standing.
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