This question ______ several times.
A. discussed
B. has discussed
C. is being discussed
D. has been discussed
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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
凡是道德所反对和谴责行为,通常也是法律禁止和制裁的所的行为。( )
A. 对
B. 错