Modal Auxiliary Verbs

It is said that Hank ________ to his girlfriend any moment now.

• might propose

• must propose

• might have proposed

• must have proposed

The old man looks very pale and weak. He ______ sick.

• could be

• could have been

• must be

• must have been

I can't find my keys anywhere. I guess I ________ them in the office yesterday.

• might leave

• may leave

• must have left

• may have left

Grandpa didn't answer the phone. He _______ busy in the garden.

• could be

• might be

• might have been

• could have been

The team _______ the baseball game if there pitcher(投手）hadn't got hurt in the middle of the game.

• could win

• must win

• could have won

• must have won

The man wore a ring on his ring finger. He __________________________ (might/get married)

The girl is throwing up on the bus. She _____________(must feel) carsick.

The political party______________ (could/win) the election(選舉), but the attack advertisement made them lose public support.

Ida couldn't get the concert tickets; they ___________(might sell) out.

I __________ (may/be) late for ten minutes. Please wait for me.