问题
选择题
Don’t talk here. Grandparents ____.
A.sleep
B.is sleeping
C.are sleeping
D.sleeping
答案
答案:C
此处需用现在进行时:be+现在分词,因为主语是第三人称复数,故选C
Don’t talk here. Grandparents ____.
A.sleep
B.is sleeping
C.are sleeping
D.sleeping
答案:C
此处需用现在进行时:be+现在分词,因为主语是第三人称复数,故选C