填入适当的词。1. I haven"t heard from him_______ he went to America.2.He won"t be here_

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填入适当的词。1. I haven"t heard from him_______ he went to America.
2.He won"t be here_______ he is invited.
3. He will not go to the cinema______ he is very busy.
4. We found the key_______ she had left it.
5. We found the books two days ______he had gone away.
6. We had no sooner got to the station ________the train left.
7. He speaks English ______ he were an Englishman.
8.He is explaining clearly______  they can understand.
9. Do not leave the room______ you have finished the test.
10. She sang______ she went along.

答案

1. since  
2. unless  
3. because  
4. where  
5. after  
6. than
7. as if  
8. so that  
9. before  
10. as