1 . —________ I go to the movies with Anna tonight, Mom?

—Of course, you can. But don’t stay out too late.

A．Could

B．Should

C．Would

D．Might

2 . —What’s the matter with Victor? He has been absent from school for three days.

—Oh, he ________ be sick. I saw his mother take him to the hospital yesterday.

A．must

B．should

C．would

D．can

3 . The boy ________ ride a horse when he was eight years old.

A．must

B．could

C．would

D．may

4 . You ________ ask your friends for help if you don’t know how to work out the math problem.

A．could	B．would
C．must	D．might

5 . The school rule is that we ________ talk with anyone loudly in the library.

A．wouldn’t	B．would
C．should	D．shouldn’t

6 . —I saw a self-driving bus in front of Jinkui Park last weekend.
—Oh, it is amazing! I never expected they ________ so soon.

A．came

B．was coming

C．would come

D．will come

7 . Tom, it is your mistake. You ________ say sorry to your friend.

A．would

B．must

C．may

D．could

9 . —________ I turn on the lights? It’s getting dark.
—Sure, go ahead.

A．Must

B．Shall

C．Would

10 . Under the new rules, electric bike riders _______ turn on their lights at night.

A．should

B．can

C．must

D．would