Malaysia Airlines Flight 370 ___________ course and turned back toward Kuala Lumpur -- but there were no indications from the pilot that he was doing so.
#86442
A
must have changed
B
could have changed
C
might have changed
D
should have changed.
推荐题目
---- I can’t get through to the general manager’s office anyhow. ---- The line is busy. Someone ___________ the telephone.
#87229
A
can have used
B
can use
C
must have used
D
must be using
We are all for your recommendation that the applicant ______.
#87391
A
be accepted
B
was accepted
C
should accept
D
is to accept
-- It’s a pity that you missed the lecture on nuclear pollution. -- I _________ it, but I was busy preparing for a job interview.
#87580
A
attended
B
had attended
C
would attend
D
would have attended[
Without the happiness Jing brought to the family, my mother _____ for another six years.
#87017
A
shouldn’t have lived
B
wouldn’t have lived
C
wouldn’t live
D
might not live
-----Why didn’t you ring me up?----- Sorry, I forgot your phone number. Otherwise, I _____ long before.
#86911
A
had rung you up
B
must run you up
C
would have rung you up
D
would ring you up