1 . Shenzhen Bay Park, ______ migratory birds take a rest every year, attracts a lot of birdwatchers.

A．where

B．which

C．when

D．that

2 . In high school, students will experience various emotions, challenges, and friendships, ________ shape their memorable journey.

A．all of that

B．all of what

C．all of which

D．all

3 . Most of the characters in Aesop’s stories are animals, the qualities ______Aesop used to reflect human traits and wisdom.

A．of which

B．with which

C．from whom

D．of whom

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

A．what

B．which

C．that

D．it

5 . —Tell me something about his match in Sydney.
—Well, he got the championship,          we had expected. He made it at last.

A．as

B．what

C．why

D．how

6 . Volunteers in China, _______ are playing an increasingly important role in many fields, are actively participating in the battle against COVID-19 at present.

A．which

B．that

C．who

D．where

7 . Water is really crucial to us human beings, ______ we couldn’t live.

A．without it

B．without that

C．without which

D．if not

8 . Students will encounter many challenges in the universities for the first year,________ getting used to a new environment quickly comes to be the most important one.

A．of which

B．for which

C．to which

D．by which

9 . The killer was caught at a pub ________ he was drinking, ________ was a great comfort to us all.

A．which; which

B．where; which

C．where; that

D．that; which

10 . Being addicted to your phone, ________ is a bad habit, is, however, very popular among students.

A．that

B．what

C．which

D．why