题目内容
.When he was a boy, he used to go there and watch _____.
| A.to repair bicycles | B.bicycles to be repaired |
| C.bicycles being repaired | D.repairing bicycles |
C
略
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题目内容
| A.to repair bicycles | B.bicycles to be repaired |
| C.bicycles being repaired | D.repairing bicycles |