问题补充:
Look! Who on the blackboard?
A. writes
B. is writing
C. are writing
D. writing
答案:
A. writes
(答案→)B. is writing
C. are writing
D. writing
解析:根据look可判断本题的时态为现在进行时,故选B
时间:2018-09-15 22:05:48
Look! Who on the blackboard?
A. writes
B. is writing
C. are writing
D. writing
A. writes
(答案→)B. is writing
C. are writing
D. writing
解析:根据look可判断本题的时态为现在进行时,故选B