A number of tests have been conducted to _________ that these drugs have no side effects.
A. find out B. look for C. make sure D. work out
---Why did Tom become wealthy this year?
---Because he sold _________________ he did last year.
A. four times as many furnitures as B. four times as furnitures many as
C. four times furniture as much as D. four times as much furniture as
Not until his father came back ____________ to bed.
A. he went B. did he go C. went he D. he did go
The doctor said that maybe his disease is __________ the water he drinks.
A. put up B. taken off C. given out D. connected with
It’s an agreement between towns or cities, _______ have similar features, such as industry, culture and entertainment.
A. that B. which C. they D. them
Unfortunately, his dog got __________ by the car.
A. runs over B. ran over C. was run over D. run over
