1 .          is well known to us, Tianjin has a history of more than 600 years.

A．As

B．What

C．Where

D．It

2 . The fire started on the first floor of the hospital,          patients were elderly people.

A．many of whose

B．whose many

C．many whose

D．many of whom

3 . Fifteen competitors started the race last year, only three of              managed to finish.

A．which

B．whom

C．who

D．that

4 . 几次尝试都失败了，这令她心烦意乱。

5 . The Mid­autumn festival falls on August 15th of the Chinese lunar calendar, ________people of a family get together and enjoy the dinner together. (用适当的词填空)

6 . I practiced running almost 3km every day, ________helped me improve my pace.(用适当的词填空)

7 . A year is divided into four seasons, as we all know, _______ the first is spring.

A．which

B．of them

C．when

D．of which

8 . __________ is reported in the news, Harrison has been arrested who is said __________ his neighbour.

A．Which; had harmed	B．Which; to have harmed
C．As; harming	D．As; to have harmed

9 . I am always grateful for Mr. Vamp, __________ warning I would have been drown in the river the way __________ other children did.

A．with whose; /	B．whose; in which
C．without whose;/	D．without whose; what

10 . 面对网上各种各样的信息，我们不能分辨真假信息的差异，这可能会对我们的学习和生活有害。 (用非谓语动词和非限制性定语从句翻译)