【题目】---Jack, you seem in high spirits.

【题目】Our English teacher told us to find out ________ the differences between American English and British English lie.

【题目】_________to nuclear radiation, even for a short time, may produce variants of genes in human bodies.

【题目】Wow! That’s Uncle Sam. Now he’s in Paris, _____ he?

【题目】Grandma does all her own shopping and cooking—I have never seen ________ aged person.

【题目】The extraordinary success of Conan Dole, mainly with his Sherlock Homes, has_________ the market with detective stories.

【题目】How does the woman get to work recently?

【题目】When the police came, the thief was ____.

【题目】The boy has great ________ in sports. Trained properly, he’ll make a first-class athlete in time.

【题目】Imagination grows by exercise and, ____ common sense, is more powerful in adulthood than in childhood.