Help yourself to __________

All the scientific evidence ______ that increasing use of chemicals in farming______ damaging our health.

They went to Shanghai ________the first time ________October, 2002.

f they are on sale, these air-conditionersare equal in price to , if not more expensive than , ______ , at the otherstore.

Don’t worry. I’ve just sent an ambulance to you. They ________ be there any second.