How long ____ for the bus before you decided to take a taxi? a. you waited b. had you been waiting c. were you waited d. were you waiting

What would you do if you ____ a huge spider in the bathtub? a. find b. found c. would find d. might find

The factory was closed down because it was pumping ____ waste into a nearby river. a. oil b. tanker c. toxic d. layer

If you don't water plants, they _____ . a. will die b. died c. would die d. die

All the guests ____ by 7 o'clock. a. arriving b. had arrived c. were arriving d. had been arriving

Mandy ____ over later because she has to work overtime. a. doesn't come b. will not come c. isn't going to come d. not come

____ me some milk from the shop, please? a. Are you going to buy b. Are you buying c. Will you buy d. Do you buy

Will you lend me your car if I ____ to bring it back tomorrow? a. would promise b. promise c. must promise d. will promise

Have you ___ any plans for the weekend yet? a. done b. taken c. planned d. made

Unless Andrew _____, I won't take him anywhere with me again. a. behaved b. behaves c. doesn't behave d. will behave

Pollution in the atmosphere causes acid ____, which damages buildings. a. smog b. fossil c. rain d. exhaust

If Emma ____ so inexperienced, I would ask her to take over the company. a. wouldn't be b. isn't c. won't be d. weren't

Cindy, ____ computer keeps shutting down, accidentally downloaded a virus. a. that b. where c. whose d. which