用所给词的适当形式填空。
1. Tom and Mary ___________ (come) to China last month.
2. Mike _______( go) to bed at 12 o'clock last night.
3. Mary ________ (have) English class yesterday morning.
4. Tom ___________ (begin) to learn Chinese last year.
5. My mother _________ (do) housework yesterday.

Then they ______to bed. （   ）

A．gone

B．went

C．goes

根据图片提示补全句子。
Sam ________ ________ ________ yesterday.   (eat, hamburger)

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

A．Did, buy

B．Does,  buy

C．Did, bought

He was first and he  the race. （   ）

A．win

B．wins

C．won