问题

There are about ____________ students in our school.

A:four thousand
B:fourthousands of
C:four thousandof
D:thousand of

正确答案是：

同类题型

The old man ______________ toothache sighed in great relief.

My best friend often tells me some jokes to make me ________/ la:f /.

Great efforts must be ______ in order to improve your spoken English.[ ]

The story is______ scary.

He hurried home, only_________ his keys had been left in the office.