ce Craven, adoctor from the USA, is the author of several published reports, one of _______introduced the idea in 1953 _______ aspirin could reduce the risk of heartattacks

is your brother— A doctor for the children.

.—_____ I watch TV, I’ll turn it down and never make any noise.　 — Good. ______ you are doing should never disturb others. _______ how important you are,never forget about how others feel.

If you see the traffic accident on the way, youshould call ___________ right away.

Here _____many great trousers in the store.