2017高考二輪復習英語學案專題六 動詞時態和語態
c.weren’t; are d.weren’t; were
3.they ______ on the program for almost one week before i joined them, and now we _____ on it as no good results have come out so far.
a.had been working; are still working b.had worked; were still working c.have worked; were still working d.have worked; are still working
4.the country life he was used to _______ greatly since 1992.
a.change b.has changed c.changing d.have changed
5.with more forests being destroyed, huge quantities of good earth ______ each year.
a.is washing away b.is being washed away
c.are washing away d.are being washed away
6.--________david and vicky ________married?
--for about three years.
a.how long were；being b.how long have；got
c.how long have；been d.how long did；get
7.when the old man _______ to walk back to his house, the sun ______ itself behind the mountain.
a.started; had already hidden b.had started; had already hidden
c.had started; was hiding d.was starting; hid
8.if their marketing plans succeed, they ____ their sales by 20 percent.
a. will increase b. have been increasing
c. have increased d. would be increasing
9.they ______ on the program for almost one week before i joined them, and now we ______ on it as no good results have come out so far.
a.had been working; are still working b.had worked; were still working
c.have worked; were still working d.have worked; are still working