14.Martin visited his aunt two days before he ________ town.
A.left
B.will leave
C.had left
D.is going to leave
15.The new suspension bridge _________ by the end of last month.
A.has been designed
B.had been designed
C.was designed
D.would be designed
16.In 1960, this was the longest bridge that________.
A.was ever built
B.had ever built
C.has ever been built
D.had ever been built
17.By the time we got there, the play __________ .
A.is going to begin
B.is just beginning
C.has already begun
D.had already begun
18.Shirley ___________ a book about China last year but I don’t know whether she has finished it.
A.has written
B.wrote
C.had written
D.was writing
19.A new cinema ________here. They hope to finish it next month.
A.will be built
B.is built
C.has been built
D.is being built
20.Professor Williams told us that by the end of this year he ________here for two years.
A.will have worked
B.will have been working
C.would have been working
D.has been working
21.He________for six years by the time he takes his examination.
A.had been studying English
B.will have been studying English
C.studied English
D.studies English
22.One of the guards _______ when the general came in, which made him very angry.
A.has slept
B.were sleeping
C.slept
D.was sleeping
23.They will go home for winter vacation as soon as they ______ their exams.
A.have finished
B.finish
C.will finish
D.will have finished
24.About the sixth century A.D. when few Europeans could read, the Chinese ______ paper.
A.invented
B.had invented
C.have invented
D.had been invented
25.English ______ in a new way at my college in the past few years.
A.has been teaching
B.was being taught
C.has been taught
D.had been taught
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