用所给单词的适当形式填空 1---Where _______(be)David last weekend?---He__
用所给单词的适当形式填空 1---Where _______(be)David last weekend?---He_____(be)on a farm,I think
2---Whose present is this?Is it_____(you)?
---No,it isn't._____(I)is here.
3---Did you____(watch)the moon last Mid-Autumn Festival?
---Yes,I____(do).It was beautiful.