I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house.
#41469
A
couldn’t
B
mustn’t
C
shouldn’t
D
needn’t
推荐题目
 He wrote his         novel when he was     .
#35687
A
five, fifties
B
fifth, fifty
C
fifth, fifteen
D
five, fifty
_____the teachers in their school is about 200 and one fourth of them are _____ teachers.
#43608
A
A number of; women
B
A number of; woman
C
The number of; women
D
The number of; woman
 It took them_______ to finish the work yesterday.
#42378
A
sometimes
B
sometime
C
some time
D
some times