初中英语数词的用法选择题

In our school every student has to choose a club to join，so about one        students have joined the Sports Club.（　　）

A．hundred ofB．hundreds of

C．hundredD．hundreds

-China is a great country with a history of about five ________ years.

- Yes.And ___________ of foreigners come to visit it every year.

A．	thousand；thousand	B．	thousands；thousands
C．	thousand；thousands	D．	thousands；thousand