If prices rise too high, the government has to do something _________ it. 
#77944
A
stop
B
stopped
C
stopping
D
to stop
推荐题目
--Do you like these yellow shoes?--Yes,      
#76840
A
I don’t like them
B
I’ll take it
C
I’ll take them
D
it’s 5 dollars
—Must I hand in my homework now, Mr.Smith?—No,you ________.
#74206
A
can’t
B
shouldn’t
C
wouldn’t
D
needn’t
You_____ all those calculations! We have a computer to do that sort of thing.
#63501
A
needn’t have done
B
must not have done
C
shouldn’t have done
D
can not have done