So far they ________ another power station.
A. have built
B. built
C. build
D. are building
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This question ______ several times.
A. discussed
B. has discussed
C. is being discussed
D. has been discussed
18.Teaching methods ______ further improved with the development of education.
A. are to be
B. need
C. must
D. will
We ______ from our school by the end of next July.
A. shall graduate
B. have graduated
C. shall have graduated
D. are graduating
I’m sorry. I forgot to post the letter for you.”“It doesn’t matter, ______ it myself in a minute.”
A. I’m gong to post
B. I will post
C. I post
D.I have posted
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