问题
选择题
Look! Who ___________ on the blackboard?
A.writes
B.is writing
C.are writing
D.writing
答案
答案:B
根据look可判断本题的时态为现在进行时,故选B
Look! Who ___________ on the blackboard?
A.writes
B.is writing
C.are writing
D.writing
答案:B
根据look可判断本题的时态为现在进行时,故选B