1 . There is a rule in the library that one is required to put the book ______ it is after finishing reading it.

A．what

B．how

C．where

D．when

2 . In order to make full use of the energy, many water power stations are built ______ there are big waterfalls.

A．unless

B．so that

C．where

D．whether

3 . Several years later, Helen and Zhou Mei met again in New York and they picked up their friendship ________ it left off.

A．where

B．what

C．how       .

D．when

4 . Bear in mind ________ there is a will there is a way, so it is never too late to start so long as you are ________ ready to give yourself an opportunity.

A．that; so

B．where; too

C．that where; too

D．that if; so

5 . I didn’t see Peter enroute (在途中) but reunited back ________ we started, both of us sheepish but pleased. （用适当的词填空）

6 . Every one of you,   ______ the basketball field used to be, quickly please.

A．gathers where

B．gather where

C．will gather at

D．gather at

7 . The new tough regulation will apply even ________the platform provider is abroad.

A．where

B．in which

C．to which

D．what

8 . Much to the teacher’s surprise, John is often mistaken ________ others are correct, smart though he is.

A．in which

B．that

C．where

D．what

9 . You should put yourself _________ you will be while bathing the baby and make sure that everything is easy to reach.

A．at which

B．in place that

C．where

D．from where

10 . Within three years a new residential area came into being _____ there had been wild grass and small ponds.

A．that

B．before

C．where

D．so that