Ladies and gentlemen, please fasten your seat belt. The plane __________.
#102320
A
takes off
B
is taking off
C
has taken off
D
took off
推荐题目
—— Ann is in hospital.____ Oh ,really? I ______ know. I ______ go and visit her.
#102975
A
didn’t, am going to
B
don’t , would
C
don’t, will
D
didn’t, will
He is very sick. I insist that a doctor __________ immediately.
#102576
A
has been sent for
B
sends for
C
will be sent for
D
be sent for
I don't remember who came first，but we all________the lecture.
#99719
A
attend
B
attended
C
have attended
D
are attending
——Guess what！I met an old school friend last week.——How nice！How long____ each other？
#100091
A
didn't you see
B
haven't you seen
C
hadn't you seen
D
don't you see
---- Why does the river smell terrible? ---- Because large quantities of water______．
#99913
A
have been polluted
B
has polluted
C
has been polluted
D
have polluted