Did you _______ the International Marathon in Lan Zhou on June 2，2019？
Of course． How exciting! （ ）
A．watchB．reviewC．supposeD．discover
Must we finish the work today？
________．We have something else to do tomorrow．（ ）
| A． |
Yes，we can |
B． |
No，we can't |
| C． |
Yes，we must |
D． |
No，we needn't |
It's sports time．Most ________ students in Class 1are playing football on the playground．（ ）
| A． |
boy |
B． |
boys |
C． |
boy's |
D． |
boys' |
You should ask Bob ________ his own clothes．He is ten years old now．（ ）
| A． |
wash |
B． |
washes |
C． |
washing |
D． |
to wash |
I's hot today．Have some ______ please．
No，thanks．I'm not thirsty at all．（ ）
| A． |
water |
B． |
potatoes |
C． |
bread |
D． |
cakes |
I ________ the History Museum twice．I've learned a lot there．（ ）
| A． |
visit |
B． |
am visiting |
| C． |
have visited |
D． |
will visit |