Jane likes singing.We often hear her ______ after class. 
#49746
A
sing
B
to sing
C
sings
D
singing
推荐题目
The new exchange students don’t seem        who        for help.
#49050
A
know, to turn
B
know, to turn to
C
to know, to turn to
D
to know, to turn
Poor Tim is too nervous to start his speech. Someone should remind him________.
#48922
A
how to talk
B
whether to speak
C
what to say
D
when to tell
They are both very nice.I don’t know ___
#50154
A
what to choose
B
to choose what
C
which one to choose
D
to choose which one
I’m sorry to keep you _______ for almost two hours.
#50943
A
wait
B
to wait
C
waiting
D
waited