1 . I learnt a new language , ________allows me to “speak” with my hands. （用适当的词填空）

3 . I was moved to tears when I got a photo album from my parents, ________ reminded me of my happy childhood. (用适当的词填空)

4 . Swimming is good for teenagers, ______ some experts say will help them to stimulate their potential and promote their brain development. (用适当的词填空)

5 . In our school there are 50 students, half of __________ wear glasses. （用适当的词填空）

6 . Elon Musk has founded many high-tech companies, almost half of ________are expected to direct tomorrow’s world. (用适当的词填空)

7 . The orphan came from Henan Province, ________ is far from here.

A．which

B．that

C．where

D．in which

8 . I'd like to thank Professor Smith, without       help I would never got this far.

A．his

B．whose

C．which

D．whom

9 . New York, __________ I will have a job interview next Monday, is also a major international financial centre. (用适当的词填空)

10 . It’s going to be some time before he sees his father again, __________ company has just been set up in Switzerland. (用适当的词填空)