-Car prices have been going down sharply in the last 20 years.
-It's not surprising because the law of market __________ the price of a product.
A.is controlling | B.controls |
C.has controlled | D.controlled |
We were talking and laughing, when our teacher came in and asked us what all the ______ was about.
A.excite | B.exciting | C.excited | D.excitement |
The elevator _________ and we were trapped inside for half an hour.
A.broke off | B.broke in | C.broke out | D.broke down |
--- Jim failed again in the maths examination.
--- Don't scold him too much. _____ , he has tried his best.
A.After all | B.Above all | C.At all | D.In all |
The conference has been held to discuss the effects of tourism ______ the wildlife in the area.
A.in | B.on | C.at | D.with |
The International Red Cross is ______ non-profit organization that cares for the wounded, sick and homeless in wartime, and victims of _____ natural disasters.
A.the; the | B.a; the | C.the;不填 | D.a; 不填 |