G14. Ôn tập: Động từ khuyết thiếu

When my father was young, he __________ work in the garden for long hours.

• can
• could
• will
• should

Since we have to be there by 8.30, we __________ take a taxi.

• had better
• may
• ought
• are able to

It __________ rain this evening. Why don't you take an umbrella?

• could be
• must
• might
• had better

__________ you help me with the homework?

• May
• Shall
• Should
• Will

She hasn't eaten anything since yesterday. She __________ be really hungry.

• might
• will
• must
• can

I put my keys on the table, but now it's gone. Someone __________ have taken it.

• may
• had to
• should
• would rather

Mr. Brown is very rich. He __________ work hard for a living.

• mustn't
• shouldn't
• can't
• doesn't have to

Tom painted his room black. It looks dark and dreary. He __________ have chosen another color.

• should
• must
• could
• may

They can type. They __________ type.

• learn how to
• are able to
• know how to
• both "are able to" and "know how to"

I'd rather __________ in the field than __________ home.

• to work / to stay
• work / stay
• working / staying
• worked / stayed