The parcel was a whole week late. How I wish I ________ air mail instead.

A．had chosen  B．would choose

C．chose  D．choose

—Could you please have my car ready today?

—Sure, the damage is not that serious, so it ________ be ready by 5：00 pm.

A．should  B．could

C．might  D．need

The sleeping baby would be scared ________ a sudden loud noise.

A．was there  B．there was

C．should there be  D．there should be

—Mum, I'm tired.

—Well, if you ________ go to bed after midnight every night, what do you expect?

A．will  B．may

C．should  D．can

Brain, like muscles, also needs some kind of exercise and nutrition. The more you use your brain in the right direction, the more you ________ enhance your ability.

A．could  B．might

C．shall  D．will

We all know that we ________ our carbon footprint, but I suspect that many people wouldn't be prepared to go as far as Joan Pick, a retired scientist living in south London.

A．must have reduced  B．should have reduced

C．may have reduced  D．could have reduced

No matter how healthy you ________ be, you need to consult a doctor from time to time.

A．should  B．will

C．must  D．may

—May I smoke here?

—If you ________， choose a seat in the smoking section.

A．should  B．could

C．must  D．may

We can't use it to tie the goods because it ________ be broken at the weakest position.

A．shall  B．may

C．can  D．would

If the island ________ a tourist attraction, last week's earthquake would have caused far more deaths.

A．remained  B．would remain

C．has remained  D．is to remain