1 . Fresh water ________ more important than anything else.

A．is

B．are

C．was

2 . — I wonder ________ Dr. Li will be at work tomorrow, sir.
— I’m not sure. He is volunteering in a community.

A．how

B．if

C．why

3 . According to the traffic rules, people ________ ride e-bikes without wearing helmets.

A．mustn’t

B．needn’t

C．may not

D．might not

4 . They sell a lot of things in Oxfam shops to help people in need. (改为被动语态)
A lot of things ________ ________ in Oxfam shops to help people in need.

5 . Although our school life is a little busy, it is full of ________.

A．pain

B．sadness

C．laughter

6 . If we study hard with big dreams, there is nothing ________ can’t be achieved.

A．who

B．that

C．whom

7 . Zhang Guimei once said. “________ I’m alive, I will donate (献身) myself to teaching.”

A．Even though

B．As soon as

C．As long as

8 . The 19th Asian Games ________ in Hangzhou from September 23 to October 8, 2023.

A．was held

B．will hold

C．will be held

9 . —Your watch is so cool! When did you get it?
—On my 12th birthday. I ________ it for 3 years.

A．bought

B．have had

C．have bought

10 . Red Star over China (《红星照耀中国》) is so popular that ________ of the students in our class have finished reading it.

A．two third

B．two thirds

C．second three