—______ a week do you use your computer?—Twice.
#57820
A
How often
B
How soon
C
How many times
D
How long
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—I wonder Tom will come to our party.—He will when he finishes his work, I think.
#55569
A
how
B
whether
C
that
D
what
---May I surf the Internet now? ---No,______ you have finished doing the dishes.
#57488
A
unless.
B
if.
C
because.
D
when
—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed________12 o’clock last night.
#57218
A
until
B
when
C
though
D
unless
When we write our homework on the computer, we should _____ first.
#55940
A
save the document
B
print our homework
C
open a new document
D
turn off the computer
It _______ them two weeks _______ the computer last year.
#58490
A
takes; to work on
B
spends; working on
C
took; to work on
D
spent; working on