Question

帮帮忙。。。全部。

Answer 1

10have……seen我已经看过，现在完成时；saw对了
三、改错
1去掉are，没错
2see改saw ，没问题
3最佳答案：watches改was watching；（如果没学过过去进行时）就填watched
4第一个do你已经画出来，改did
5are改were
6can改could，从句时态受told影响
7can改could
8ate改eat，因为助动词did提前
9are改were

10buy改bought

Answer 2

1 were
2 saw
3 watched
4 did you do
5 were
6 used
7 climbed
8 eat
9 were
10 bought
5