1 . Our neighbor offered to look after our baby while we were away, _______ was very kind of her.

A．it

B．that

C．which

D．such

2 . The insect’s black eyes, are fixed on the cabbage, show the creature’s interest in the vegetable.

A．which	B．as
C．that	D．what

3 . Ted came for the weekend wearing only some shorts and a T-shirt，________ is a stupid thing to do in such weather.(2011·全国Ⅱ)

A．this

B．that

C．what

D．which

4 . （2016·浙江）Scientists have advanced many theories about why human beings cry tears, none of ________has been proved.

A．whom	B．which
C．what	D．that

5 . Chinese president Xi Jinping visited Liangjiahe village, ______ he used to work in.

A．which

B．what

C．where

D．when

6 . He wrote many children’ s books, nearly half of _______were published in the 1990s.

A．whom	B．which
C．them	D．that

7 . _______ his scientific work, he has no time to care for his family affairs, _______, of course, his wife always complains about.

A．Devoted to; which	B．Devoting to; which
C．Being devoted to; that	D．Devoting to; that

8 . The Science Museum, ________ we visited during a recent trip to Britain, is one of London’s tourist attractions.

A．which

B．what

C．that

D．where

9 . It is the third time that she has won the race, ________ has surprised us all.

A．that	B．where
C．which	D．what

10 . He made another wonderful discovery, ________ of great importance to science.

A．which I think is	B．which I think it is
C．which I think	D．I think which is