It is estimated that 12.79 million new urban jobs have been created this year, which almost doubles _____ it was last year.

A.how B.which C.where D.what

The Oxford Dictionary is useful for you to learn English, so you'd better buy _____.

A.it B.one C.that D.the one

He was on the scene and saw what happened, which makes him the only witness who provides an ______ account.

A.authentic B.ambiguous C.arbitrary D.artificial

―Why are you so excited?

—I met Tommy just now. We _____ each other for ages.

A.haven’t seen B.didn't see C.hadn't seen D.don't see

_____ by a burning desire for adventure, Li Bai left home and started to travel around in his early twenties.

A.Having driven B.Being driven C.To drive D.Driven

_____ having a roommate inevitably has its challenges, it can also be a great part of your college experience.

A.While B.When C.As D.If

A former tai chi world champion is teaching tai chi classes in New York _____ broadening the appeal of Chinese culture.

A.in place of B.in hope of . C.in praise of D.in case of

Jack had planned to visit his grandparents last weekend, but an emergency _____ and he had to reschedule.

A.should come up B.had come up C.came up D.would come up

I've had enough of your talking! It's time to _____ words into action!

A.transfer B.transport C.transmit D.translate

Hemingway used what he learned from his life in Italy to show that war _____ the best and worst in men and women.

A.holds out B.brings out C.puts out D.hands out