I shall never forget those years ________I lived inthe country with farmers， ________has a great effect on mylife.

Was it in the village ______ we usedto live in _________ the accident happened

s warn that medical waste from hospitals, if properly, may lead to spreading diseases.

Scientists are convinced ________the positive effect of laughter________ physical and mental health

When will the chat show be on, do you know—Yes. The chat show will be on TV _________ 7 p. m._________ 9 p. m. this evening.