Tom has much difficulty _______ Chinese so he often asks me ______ help
#50326
A
to understand; with
B
understanding; of
C
to understand; for
D
understanding; for
推荐题目
My sister is good at ________.
#49305
A
sing
B
sings
C
singing
D
to sing
Tell your son ____ on the road. It’s dangerous.
#48821
A
not play
B
no play
C
not to play
D
don’t play
She asked me ______ her a cup of coffee.
#50606
A
get
B
to get
C
getting
D
gets
She’ll spend as much time as she can      to improve her spoken English. 
#48523
A
speak English
B
to speak English
C
speaking English
D
speaks English
I think the music is great, it is worth ______.
#49325
A
to listen
B
to listen to
C
listening
D
listening to