—Will you see me off at the airport at ten tomorrow morning?—Sorry, I ________ a lecture then.
#99470
A
will be giving
B
will give
C
give
D
have given
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 A high-tech exhibition ________in the National Museum now. Let’s go and visit it.
#100890
A
will be held
B
is being held
C
was held
D
has been held
.If I _________too late last night, I could not have fallen asleep in class.
#103799
A
didn’t stay up
B
hadn’t stayed up
C
don’t stay up
D
haven’t stayed up
--When _________ the training course begin?--Next Monday.
#102922
A
has
B
is going to
C
does
D
did