问题描述：
用括号中所给词的正确形式填空,使句子完整、通顺
1.I ________(lend) her some CDs the day before yesterday,but she _________(not give) them back to me yet.
2.—How many times _____ you _____(be)to Tibet?
—Only once.
3.What ________ the workers ________(do) at this time yesterday
4.________ you ________(watch)the TV play yet?
Yes.I _______(watch) it last week.
5.Mr Lin ________(teach) us English since he came to our school.
1.I ________(lend) her some CDs the day before yesterday,but she _________(not give) them back to me yet.
2.—How many times _____ you _____(be)to Tibet?
—Only once.
3.What ________ the workers ________(do) at this time yesterday
4.________ you ________(watch)the TV play yet?
Yes.I _______(watch) it last week.
5.Mr Lin ________(teach) us English since he came to our school.
问题解答：
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