I’m looking forward to __________my grandparents this summer holiday. 
#49311
A
see
B
sees
C
saw
D
seeing
推荐题目
We should study the new traffic rules and 1earn how___________ ourselves.
#49689
A
protect
B
to protect
C
protecting
D
protected
I like ________ the news.
#49180
A
watch
B
look
C
watching
D
to look
It's time_______ an English lesson.
#49080
A
having
B
to have
C
have
D
to having
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