1 . 上个月，好几百位老师到我校参观。
________ ________ teachers visited our school last month.

2 . You can see ______ stars shining in the summer sky at night when the weather is fine.

A．thousands

B．two thousand of

C．hundreds of

D．hundred

3 . 去年5月，数千游客来忠县参观。（根据汉语完成译句）
Last May, ________ ________ tourists visited Zhongxian.

4 . It took us two hours and a half to finish the work yesterday.（改为同义句）
It took us _______ _______ ________ ____________ ___________ to finish the work yesterday.

5 . 走路大约需要一个半小时。
It’s about ____________________ on foot.

6 . Marx found it necessary to learn Russian when he was already _________.

A．in fifties

B．in the fifties

C．in fiftieth

D．in his fifties

7 . It’s half _________ (过) five. They are playing basketball.

8 . Here come another _________ (third) models.

9 . There are ________ (thousand) of trees on the hill.

10 . 我于1998年出生在风和日丽的一天。（完成译句）
I was born on a sunny day in ________ ________.