Review of Unit 1--51
He studies for a test by ______ flashcards
making B
make C
makes D
to make2
I always go to sleep __ the light on
with C
_________ should not be allowed to go out at night
Twelve-years-old B
Twelve-year-olds C
Twelve year old D
Twelve years olds 4
___________ work in Microsoft
Did you used to B
Did you use to C
Do you used to D
Do you use to 5
Every day he spends about half an hour ____ morning exercise
doing C
to do D
on doing6
Qi Hui is _________ the Chinese National Swim Team
with 7
Would you mind ________ the door for me
open B
opening C
to open D
opens8
If I _____you, I would go and see the doctor at once
were D
It might belong to___________ A