ĐỘNG TỪ KHUYẾT THIẾU (MODAL VERBS)

We are now wet. You _______the raincoats with you.

• A. should bring

• B. should have brought

• C. must bring

• D. have to bring

The yard is wet. It ________last night.

• A. must rain

• B. must have rain

• C. must have rained

• D. had to rain

She told me that she ‘d rather _______on the committee.

• A. not to serve

• B. not seving

• C. not serve

• D. serving not

I’d rather ________in the field than ____home.

• A. to work/to stay

• B. work/stay

• C. working/staying

• D. worked/tayed

He ________all that money, so he could save some.

• A. didn’t need to spend

• B. needn’t have been spent

• C. shouldn’t spend

• D. oughtn’t to spend

He spent all that money last week. He _______so much.

• A. didn’t need spend

• B. shouldn’t spend

• C. needn’t have spent

• D. didn’t have to spend

You’re having a sore throat. You’d better ______to the doctor.

• A. to go

• B. went

• C. go

• D. going

I would rather ______poor but happy than become rich without happiness.

• A. being

• B. be

• C. to be

• D. was

She ________, but luckily, a lifeguard spotted her and rescued her.

• A. has drowned

• B. ought to drown

• C. could have drowned

• D. might down

In 1990, the world had no deaths from rabies. Scientists ________wonderful vaccine.

• A. has discovered

• B. discovered

• C. must have discovered

• D. should have discovered