His answer ________ to be right．

proved

was proved

is proved

has been proved

It suddenly ________ to him that he had put it in his bag．

happened

took place

occurred

thought

You can't eat up the all cakes!The ________ ones are for your brother．

remained

to remain

to leave．

remaining．

If you have no enough money, you can buy things at a ________．

expense．

price．

value

discount．

It suddenly occurred to Anne that money couldn't ________ all that Bob had suffered in the past years．

make up to

make up of

make up for

make up on

He is a student at Oxford University, ________ for a degree in computer science．

studied

studying

to have studied

to be studying

John received an invitation to dinner, and with his work ________, he gladly accepted it．

finished

finishing

having finished

was finished

“Sorry, Madam．You'd better come tomorrow, because it's ________ the visiting hours now．”

“But tomorrow I'll be very busy．”

during

at

beyond

before

According to the rules, all drivers ________ this traffic accident are to be taken to the police station to make their statements．

sensitive to

relevant to

accessible to

due to

In the market, vegetables are sold by ________ kilogram, I mean, by ________ weight．

the; 不填

不填; 不填

the; the

不填；the