Mrs. Wang found his little son ______ with his toys alone when she arrived home. 
#50257
A
plays
B
to play
C
play
D
playing
推荐题目
It’s seven in the morning. It’s time ___________.
#50207
A
go to school
B
going to school
C
to go to school
D
goes to school
The doctor did what he could ___________ the kid.
#49829
A
save
B
to save
C
saved
D
saving
There are so many kinds of MP3 in the shop. We can’t decide  ______.
#49042
A
what to buy
B
to buy what
C
which to buy
D
to buy which
I find it very hard           the question.
#50173
A
to answer
B
answers
C
answering
D
answered