Some aspects of a pilot's job be boring, and pilots often work at inconvenient hours．
#63217
A
can ; have to
B
may ; can
C
have to; may
D
ought to; must
推荐题目
－What made you _________ so happy?－Our class ________ Class Three in the basketball game yesterday.
#77106
A
to feel; beat
B
feel; won
C
feel; beat
D
to feel; won
(2013·新课标Ⅰ，29)The door________open，no matter how hard she pushed.
#62491
A
shouldn't
B
couldn't
C
wouldn't
D
mightn't
— How’s your tour around the North Lake? Is it beautiful?— It ______ be, but it is now heavily polluted.
#62172
A
will
B
would
C
should
D
Must