－These peaches really juicy.
－They ____ be! Just see the price, $3,99 a pound. Very expensive, aren’t they!
| A．would | B．could | C．might | D．should |
It’s said that there are plenty of hotels in that town. There _____ be any difficulty for you to find one to stay in.
| A．mustn’t | B．oughtn’t | C．needn’t | D．shouldn’t |
I chose the most popular major instead of my favorite one，but I had to drop out and started again where I＿＿＿have gone in the first place.
| A．must | B．might | C．should | D．would |
— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.
— Oh, it __________ my younger sister. She was in my room at that moment.
| A．must have been | B．should have been |
| C．could have been | D．may have been |
----I missed the first part of the film. It was really a pity．
----You _____home half an hour earlier.
| A．should have left | B．must have left |
| C．should leave | D．must leave |
---- May I smoke here?
---- If you , choose a seat in the smoking section
| A．should | B．could | C．must | D．may |
Why________ you always leave your dirty clothes in the bedroom?
| A．need | B．must | C．can | D．shall |