There are many CD-ROMs in the bookshop. I don’t know ____ to buy.
#47851
A
what
B
which
C
when
D
how
推荐题目
The text is _______easier and _______interesting than that one.
#45287
A
more; much
B
much; more
C
more; more
D
much; much
 He always looks _______ . Now he's looking_______ at his new drawing.
#45291
A
happy; happily
B
happy; happy
C
happily; happily
D
happily; happy
Every day we should keep our classroom _________ .
#47842
A
cleaning
B
to clean
C
clean
D
cleans