---How much difficulty did you have________________ this problem? ---_____________. It's quite easy.
#53487
A
to solve, Nothing
B
solving; None
C
to solve, None
D
solving; Nothing
推荐题目
Don’t _______too late, or you will feel tired in class tomorrow.
#61753
A
wake up
B
get up
C
stand up
D
stay up
Look! Emma is_______ her bedroom. Her room is always_________.
#58894
A
clean, clean
B
clean, cleaning
C
cleaning, clean
D
cleaning, cleaning
What were you asked _______ at yesterday’s meeting?
#58731
A
to speak
B
to talk
C
to tell
D
to say