-- Did you go to see your parents last summer?
-- Yes. I ______ to see them.

A．went

B．goes

C．gone

He _________ his mother _________ housework last night. （   ）

A．helps, do

B．helped, did

C．helped, do

____ she _____ this dictionary in the bookshop nearby last week? (    )

A．Did, buy

B．Does,  buy

C．Did, bought

He ________ scared yesterday. But he ________ happy today. (   )

A．am; was

B．is; was

C．was; is

句子改错
1. It was a hour late.
____________________________________
2. He usually got up at half past six.
____________________________________
3. He usually walk to school.
____________________________________
4. The earth go around the sun.
____________________________________
5. He doesn’t do his homework yesterday.
____________________________________