Jane likes singing.We often hear her ______ after class. 
#49746
A
sing
B
to sing
C
sings
D
singing
推荐题目
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
I would rather _____ at home than _____ to the party.
#49018
A
staying, going
B
to stay, to go
C
stay, go
D
stay, to go
---How did you work out the difficult chemistry problem?--- I worked it out by ________.
#49667
A
working with a group
B
think very hard
C
ask the teacher for help
D
doing oneself