You ... smoke in this room

• must

• mustn't

• can

• don't have to

You ... put the rubbish into the bin.

• must

• mustn't

• has to

• don't have to

 

I ... do my homework.

• don't have to

• can

• mustn't

• have to

You ... take photos in this museum.

你……在这个博物馆拍照。

• mustn't

• must

• don't have to

• can

Whose is this bag? - I don’t know, but it ______ belong to Yuta.

这个包是谁的？ - 我不知道，但它______属于Yuta。

• can

• may

• must

. 

I didn’t feel very well yesterday. I ______ eat anything.

• couldn’t

• shouldn't

• can't

• mustn't

___ you help Alice with her homework yesterday?

• could

• must

• might

_____ I use your telephone please?

• may

• should

• could

Megan _____ play both the piano and the guitar.

• can

• could

• must

Jack ------- be upset.

• may not

• can

• could

• should