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课时达标·训练
Ⅰ. 把省略的部分补充完整
1. Someone has used my bike, but I don’t know who _________.
2. ______ sorry; I’ve kept you waiting so long.
3. Where is the book ____________ I bought this morning?
4. I shall never forget the day ____________ we first spent.
5. It’s important that we ________ speak to the old politely.
6. The way ____________ you answered the question was excellent.
7. The reason _______ he came so early is his own affair.
