The houses ________ are for the old people and the construction work will start soon.

A. built

B. to be built

C. to build

D. being built

I would love ________ to the party last night but I had to work extra hours to finish a report.

A. to go

B. to have gone

C. to .be gone

D. going

—Did you get a book?

—No. I ________, but there were not any ________ .

A. tried; to be left

B. had tried; leaving

C. tried to; left

D. had tried; have left

Prices of daily goods ________ through a computer can be lower than store prices.

A. are bought

B. been bought

C. buying

D. bought

With a lot of difficult problems ________, the manager felt worried all the time.

A. settled

B. settling

C. to settle

D. being settled

Jane was made ________ the truck for a week as a punishment.

A. to wash

B. washing

C. wash

D. to be washing

Go on ________ the other exercise after you have finished this one.

A. to do

B. doing

C. with

D. to be doing

Though ________ money, his parents managed to send him to university.

A. lacked

B. lacking of

C. lacking

D. lacked in

—How do you deal with the disagreement between the company and the customers？

—The key ________ the problem is to meet the demand ________ by the customers.

A. to solving; making

B. to solving; made

C. to solve; making

D. to solve; made

Friendship is like money: easier made than ________ .

A. kept

B. to be kept

C. keeping

D. being kept