1 . —What do you want to do in the future, Mingming?
—I’m not sure. I ________ teach Chinese in a primary school.

A．must

B．may

C．need

2 . —Where is your elder brother, Sandy?
—He ________ be in the library, but I’m unsure. You can call him.

A．may

B．must

C．needn’t

D．shouldn’t

3 . —Jim, Mother’s Day is coming. What present will you give your mother?
—I haven’t decided yet. I ________ make her a birthday cake by myself.

A．must

B．would

C．should

D．may

4 . —Excuse me, ________ I have a look at your ID card please?
—Sure, here it is.

A．should

B．might

C．may

5 . According to the traffic rules, children under the age of sixteen ________ e-bikes on the road.

A．mustn’t

B．needn’t

C．may not

D．might not

6 . —Do you know the largest iceberg (冰山) began to move at the end of 2023?
—Yes. Its movement ________ cause trouble for animals nearby, but the scientists are not sure.

A．may

B．have to

C．must

D．should

7 . —________ I have your full name?
—Of course. Lisa Brown.

A．Must

B．Should

C．May

D．Need

8 . These beautiful art pieces ________ be made of iron, but I’m not sure about it.

A．may

B．must

C．can’t

9 . —Mum, I’ve signed for the box. What’s in it?
—I’m not sure. It ________ be a present from your uncle.

A．can’t

B．may

C．must

10 . —________ I have dinner, mum?
—No. You must wash your hands first.

A．Can

B．May

C．Must