Look at the clock! It's time ______ work.
#90300
A
we started
B
we'll start
C
we're starting
D
we have started
推荐题目
 —___John come here tonight?—I’m not sure, but he ______ stay at home.
#89534
A
May, might
B
Can, must
C
Must, might
D
Can, migh
Driving on the highway ______ be very dangerous, so you ______ be too careful.
#87841
A
should; ought to
B
could; should
C
might; mustn’t
D
can; can’t
. — ____ I know your name ?    — Sorry , you ____ . 
#89739
A
May ; mayn''t
B
May ; can''t
C
Must ; mustn''t
D
Need ; must