1. There_________ a rubber in your pencil-box.(is)
2. There _________ two books on the dask.(are)
3. There_________an apple and some oranges on the tree.(is)
4. _________ there a pen in your book?(Is)
5. There ________ some desks in the classroom.(are)
6. There ________ many pictures on the wall.(are)
There is a man ______ behind, tired.
A. stands B. standing C. who standing D. stood
答案：B
题呢？
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