Often, when he ______ something that ______ him, he wasted his time drawing some little pictures.
#89280
A
should be doing; gave
B
should have been doing; was given
C
should do; was given
D
should have been doing; had given
推荐题目
It is very important that you _______ for this examination.
#87091
A
would get yourself prepared
B
must get yourself preparing
C
should get yourself prepare
D
could get yourself prepared
(2012·全国卷Ⅰ)I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.
#86531
A
couldn't
B
mustn't
C
shouldn't
D
needn't
. Mary _____ be in London because I saw her in town just now.
#88099
A
mustn’t
B
isn’t able to
C
needn’t
D
can’t
—What will you do next Sunday? —Maybe do some shopping, for I ______go to school on Sunday．
#87920
A
mustn’t
B
shouldn’t
C
don’t have to
D
had better not