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我已经工作了几个月想找出解决问题的方法，但是到目前为止还没有成功。
答案
更多“I have been working for months to ______ a way of solving this problem，but as yet I have not been su”相关的问题
第2题
—"You seem to be a secretary."
—"______. I have been working as a secretary for two years."
A) So am I B) I'm afraid not
C) So I am D) I don't think so
第3题
A．would be working
B．would have worked
C．am working
D．work
第4题
Mary has been working for a whole day. I think it's time______.
A．she has a rest
B．she can have
C．she had a rest
D．she would have
第5题
A.You are right, but don’t you know the meaning of work？
B.Sorry, I don’t think so.I get overpaid for overwork, you know.
C.That’s right.All work and no play make Jack a dull boy.
D.That’s right, but the work is interesting.I don’t mind some extra hours at
第6题
从供选择的答案中选出应填入下列英文语句中______内的正确答案。
Perhaps you have been asking the questions: Is everyone moving to(1)？ If l don't step up to the(2)user interface, will I be left all along at the cold(3)command line？
Don't throw away your DOS(4). No one is(5)DOS's death knell yet. DOS and its applications people have been using for years are not going to stop working overnight.
供选择的答案：
(1) DOS (2) UNIX (3) Windows (4) Windows NT (5) graphical
(6) software (7) replacing (8) sounding (9) text (10) hardware
第7题
A、work
B、have been work
C、have work
D、are working
第8题
A.A.will be working
B.B.has been working
C.C.has worked
D.D.will have been working
第9题
A.has worked
B.has been working
C.works
D.will have worked
第10题
When I saw Dave, he ______ .
A．was working
B．is working
C．worked
D．had been working
第11题
A、had worked
B、has worked
C、was working
D、has been working
