【題目】When________for his views about his teaching job, Philip said he found it very interesting and rewarding.

【題目】To ____ telling lies he asked his friends to help him cheat his parents.

【題目】It is difficult to ____ one’s balance on an icy pavement.

【題目】He flashed me a quick smile but rapidly swallowed it___________ he saw my expression.

【題目】Even though you offered ________ you have just offered, I would not sell it to you.

【題目】___________ many different viruses, wildlife can potentially infect human beings and should be banned for trade.

【題目】After going into the hall, the mother _____a friend and went over to greet him.

【題目】—I wonder why Sam is late again.

【題目】She and her best friend felt sad when they heard I__________ for New York the next day

【題目】It is Jim, together with his cousins, that ________ for this terrible accident.