—What ________ these?—They are ________.A.are;kitten B.is;kittens C.are;kittens
你想对别人说“对不起”,可以说:
你想告诉别人“今天是星期一”时,可以说:
你想知道有多少把椅子,可以说:
I go to bed ten.A. in B. on C. at
Are they teachers? , they are.A. Yes B. No C. Sorry