1 . I learnt a new language ______ allows me to “speak” with my friend ______ has a hearing problem.

A．that ; which

B．which ; that

C．whose ; who

D．where ; that

2 . Beer is the most popular drink among male drinkers, ______ overall consumption (消费) is significantly higher than that of women.

A．that

B．what

C．which

D．whose

3 . I walk through the doors into the waiting area,         there's a familiar atmosphere of boredom and tension.

A．which

B．that

C．whose

D．where

4 . Communication technology has entered the 5G era,________will surely bring great changes to our life.

A．when

B．what

C．which

D．where

5 . First aid techniques are often simple, ________ can be taught to people of all ages.

A．that

B．what

C．which

D．it

6 . Laughter is the best medicine, _________ means keeping a good mood is helpful to our health.

A．what

B．which

C．that

D．it

7 . We saw several natives advancing towards our party, and one of them came up to us, ________ we gave some bells and glasses.

A．to which

B．to whom

C．with whom

D．with which

8 . Marin and his wife both go to work every day by bicycle, ________ contributes to keeping the body healthy.

A．as

B．that

C．which

D．when

9 . Last July, I went to Australia for summer vacation with my best friend Lisa, ________ was really a memorable experience for me.

A．when

B．that

C．where

D．which

10 . My brother’s bedroom is always a mess, and he can never find anything,          is very frustrating.

A．where

B．whom

C．when

D．which