Choose the correct answer to the following questions.
“I heard their phone ringing.” - “You _____________ hear phone ringing. They don’t have a phone.”
A.couldn’t
B.shouldn’t
C.mustn’t
D.needn’t

Choose the correct answer to the following questions.
He helped her, but it was not necessary. He needn’t _____________ her.
A.help
B.to help
C.be helping
D.have helped

Choose the correct answer to the following questions.
I’m feeling very tired this morning. I _____________ have stayed up late last night.
A.couldn’t
B.shouldn’t
C.mustn’t
D.to stopping

Choose the correct answer to the following questions.
The fortune teller predicted that she_____________ inherit a big fortune before the end of this year.
A.must
B.will
C.would
D.would like

Choose the correct answer to the following questions.
The boys _________wake up earlier than 7:30 am. They have class at 8:00 am.
A.would
B.can't
C.could
D.have to

Choose the correct answer to the following questions.
I _________ ice skate very well.
A.can
B.may
C.must
D.should

Choose the correct answer to the following questions.
We _________ go to the concert if the rain stops. We don't know for sure.
A.mustn't
B.might
C.have to
D.wouldn't

Choose the correct answer to the following questions.
_________ I have a coffee please?
A.Must
B.Have to
C.May
D.Would

Choose the correct answer to the following questions.
The passengers _________wear their seatbelts at all times.
A.could
B.must
C.can
D.may

Choose the correct answer to the following questions.
You _________ eat more vegetables.
A.should
B.might
C.may
D.could