72 According to the time table,the train for London ___ at seven o'clock in the evening.
A.was leaving B.has left C.leaves D.will leave
73 You should visit this part of the country when ___
A.spring will com B.spring comes
C.It has been spring D.It will be spring
74 You needn't hurry her.She ___ it by the time you are ready.
A.will have been finishing B.Would finish
C.Will have finished D.Will be finishing
75.We can go home when the ground ___
A.is drying B.has dried C.dried D.will dry
76.Obviously,he ___ a bad cold.He sneezes so often.
A.has B.has been C.had D.was
77.Darwin proved that natural selection ___the chief factor in the development of species.
A.has been B.had been C.is D.was
78.While Peggy ___,her brother is playing records.
A.reads B.is reading C.has read D has been reading
79.It's been a long time since I ___.How are you?
A.had last seen you B.saw you last C.have least seen you D.last was seeing you
80.We ___ on it for several hours but we have not yet reached any conclusion.
A.work B.are working C.have been working D.have been worked
点击下载：六年级下时态语法单项选择练习
