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
The young man insisted that he＿＿＿＿＿nothing wrong and＿＿＿free.
#89951
A
did； set
B
had done； should be set
C
do； be set
D
had done； must be set
---Someone’s been here. Who ___ it be? It looks like Helen.---It ___ be Helen.She is ill in hospital.
#88920
A
must; must
B
might; could
C
can; mustn’t
D
can; can’t
He _____ if he works hard for the people.
#90061
A
shall praise
B
shall be praised
C
will praise
D
will be praised
—— Could I use your telephone? —— Yes, of course you ＿＿＿＿＿＿＿＿＿＿＿＿＿.
#89929
A
could
B
will
C
can
D
might