---- What do you think of Harry, our new roommate? ---- I am not sure, but he is always asking ______ questions and      them are very hard to answer.
#14330
A
a great many of; a great number of
B
a great many; many of
C
a great number; a great many of
D
a large amount of , many
推荐题目
To be honest,it is Jack as well as his two classmates that________for the broken vase.
#11959
A
is to blame
B
is to be blamed
C
are to be blamed
D
are to blame
—When can I use your computer?—Never! ________should you touch it. 
#12723
A
At no time
B
At some time
C
At any time
D
At one time
We should take some measures to______ wild animals______.
#11808
A
protect ; from being killed
B
prevent; from killing
C
keep; being killed
D
stop; from killing