1 . 选词填空
1. At first he refused to admit his guilt, but when he was shown the evidence he_________ and admitted.
2.________ , my sense of responsibility will make me a qualified volunteer.
3. His research has greatly_________ our understanding of this disease.
4. English, history and geography are subjects which________ much time in school.
5.________ giving a general introduction to computers, the course also provides practical operation.
break down, in addition to, contribute to, take up, all in all |
2.
3. His research has greatly
4. English, history and geography are subjects which
5.
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