1 . The old woman has two dogs and three cats, ______ play with her happily.

A．and all of which

B．all of them

C．and all of that

D．all of which

2 . I have two grammars, ______ are of great use.

A．either of them

B．either of which

C．both of them

D．both of which

3 . Endurance, perseverance, industry and talent are the means ________ men can achieve great ends

A．in which

B．by which

C．of which

D．on which

5 . A good advertisement, ________ people attach positive meanings, can contribute to the sales of a product.

A．to which

B．of which

C．for which

D．on which

6 . Ryan had raised the 2,000 dollars, ________ a well was built near a primary school in Uganda.

A．for which

B．about which

C．with which

D．from which

7 . These are among the 669 children, most of ________ are Jewish coming from different families.

A．whom

B．which

C．who

D．that

8 . In the dark street, they wasn’t a single person, _______ she could turn for help.

A．to whom

B．whom

C．to which

D．which

9 . The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.

A．most of them

B．most of which

C．most of what

D．most of that

10 . The man pulled out a gold watch,_____were made of small diamonds.

A．the hands of whom	B．whom the hands of
C．which the hands of	D．the hands of which