4.—How long ________ at this job? —Since 1990.
A. were you employed
B. have you been employed
C. had you been employed
D. will you be employed
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7.—Excuse me,sir.Would you do me a favor? —Of course.What is it?________ if you could tell me how to fill out this form.
A. had wondered
B. was wondering
C. would wonder
D. did wonder
I feel it is your husband who _______for the spoiled child.
A. is to blame
B. is going to blame
C. is to be blame
D. should blame
10.He has been writing the composition the whole morning and he still _____.
A. has been
B. does
C. has
D. is
11.If city noises ________ from increasing,people ________ shout to be heard even at the dinner table 20 years from now.
A. are not kept; will have to
B. are not kept; have to
C. do not keep; will have to
D. do not keep; have to