問題詳情:
用括號內所給單詞的適當形式填空。
1.We must ________ (help)Paul and Alan.
2. ________ (ask)Cindy for the book.
3.—Are these keys ________ (you)?
—No,they aren't.
4.Please e-mail ________ (I)at .
5.The girl's bag is ________ (lose).
【回答】
s
知識點:構詞法
題型:完成句子