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
The professor said that your discovery was_____________.
#13978
A
ofgreatvalue
B
greatvalue
C
greatlyvalued
D
ingreatvalue
From his ______ look, we could see the boy was ______ of the     stranger.
#11300
A
terrified; terrified
B
terrifying; terrifying
C
terrifying; terrified
D
terrified; terrifying
 _____ of the world’s books and newspapers are written in English.
#14484
A
Three quarter
B
Three of quarters
C
Third fourths
D
Three fourths