1 . __________ was 87 years before Christopher Columbus crossed the Atlantic Ocean __________ Zheng He sailed to East Africa.

A．That; which

B．It; that

C．It; which

D．This; who

3 . It is for this reason ________ Spanish is the main official language of Peru.

A．that

B．which

C．why

D．how

4 . Was it ________ he was playing volleyball on the playground ________ he got hurt?

A．that; when

B．when; that

C．that; that

D．where; that

5 . Was it in the waiting room ______only allows mothers-to-be to enter ______ you lost your wallet?

A．/ ;that

B．where; which

C．that; that

D．when ;which

6 . It is in the very gym _________ was built last year _________ I work out on a regular basis after work.

A．which; where

B．that; where

C．that; that

D．that; where

7 . As a matter of fact, it was her hardworking spirit _______ motivated me to work together with her.

A．that

B．how

C．which

D．what

8 . It is the tallest building          Tom has seen ever since he came here.

A．which

B．that

C．what

D．the one

10 . It was in the small village ________ I first began to work with these farmers.

A．what

B．that

C．where

D．which