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Bùi Lê Trâm Anh

Complete the following sentences with could/should/ shouldn’t/must/couldn’t + have + pp or should/must + infinitive

1. Bill and Sue go away on holiday very often, so they .......... short of money (be)

2. Don passed the exam without studying for it. The exam ...... very difficult (be)

3. She knew everything about our plans. she ......... to our conversation (listen)

Hoaa
19 tháng 6 2019 lúc 17:05

Complete the following sentences with could/should/ shouldn’t/must/couldn’t + have + pp or should/must + infinitive

1. Bill and Sue go away on holiday very often, so they ...must have been....... short of money (be)

2. Don passed the exam without studying for it. The exam ..couldn't have been.... very difficult (be)

3. She knew everything about our plans. she ...could have listened...... to our conversation (listen)

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