______ on time, or you’ll be fired.
#92893
A
Arriving
B
If you arrive
C
Arrive
D
to arrive
推荐题目
Although Fleming discovered Penicillin, it was over a decade ______ someone else turned it into the great drug of the 20th century.
#92265
A
before
B
since
C
when
D
as
The poor boy is in danger. We should do all we _____ help him out.
#94708
A
can do
B
can to
C
can to do
D
can
I remember I have been here before. There used to be a church near the park, _______?
#94205
A
usedn’t it
B
wasn’t it
C
usedn’t there
D
did there
Never before ________ buying a computer, but now it seems a necessity in my everyday life.
#93867
A
did I think of
B
have I thought of
C
I thought of
D
I have thought of
__________ these tips, and your time _______ doing research on the Internet _________ much worthwhile.
#92340
A
Following, will spend, is
B
Followed, spent, was
C
Follow, spent, will be
D
To follow, spending, has been