I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.(2012·新课标全国)
#11455
A
couldn't
B
mustn't
C
shouldn't
D
needn't
推荐题目
—Don’t be so naughty! Be your ________.—Got it,mum. 
#12336
A
manners
B
age
C
behavior
D
politeness
—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
The story happened in________ and the hero was in his________.
#12061
A
1840s;thirty
B
the 1840s;thirty
C
1840s;thirties
D
the 1840s;thirties
The children all look forward to _______ the carnival next week.
#11711
A
take part
B
take part in
C
taking part
D
taking part in