She looks very busy . I want to help her , but I don't know  ___________ .
#50250
A
what to do
B
what to do it
C
how to do
D
why to do
推荐题目
I can’t wait ____ the present box.
#48643
A
open
B
to open
C
opening
D
opened
Eddie is very lazy. He prefers _________ to ___________ .
#51089
A
to sleep; go
B
sleeping; going out
C
to sleeping; going
D
sleep; go out
You’d better ________ too much meat. You are too fat.
#50936
A
eat
B
not eat
C
not to eat
D
don’t eat
I think _______ is good for your health.
#50734
A
getting up late
B
drink more milk
C
eating more fruits
D
to eat more meat