问题
Look ! _________ students are doing morning exerciseson the playground .
A: hundreds of
B: hundred of
C:hundred
D: hundreds
B: hundred of
C:hundred
D: hundreds
正确答案是：
同类题型
_______ of us has some bad habits. We mustget rid of them.
Can you ask him to give up the foolish idea?—_____ no point in doing so—he’ll never change his mind
The director is going on business next week and the department will be left ______Jack.
Although he failed this time，he didn’t give up and ________ studying hard.