----Have you known Professor Jackson in our department for a long time ? ----Yes, since he _____ the our university.
#4607
A
has come
B
comes
C
had come
D
came
推荐题目
With temperature ________ so rapidly, we could not go with the experiment.
#4563
A
fall
B
falling
C
fallen
D
to fall
–The floor is dirty. Can anyone clean it? –_____I do it all the time.
#4875
A
Don’t mention it.
B
Why you?
C
Not sure
D
Not me again.
Wouldn’t it be for you to pick me up at four o’clock and take me to the airport.
#4931
A
free
B
vacant
C
handy
D
convenient
—______? —Yeah, it seemed a little confusing to me at first, but now I get it.
#5019
A
Can you give me a moment
B
See what I mean
C
Are you stuck
D
Can you go on
The experiment show that proper amount of exercise, if ________ regularly, can improve our health.
#4536
A
carry out
B
carried out
C
to carry out
D
being carried out