It’s ______ usual trip, but it’s ______ unusual experience.

A. an, a B. the , an

C. a, an D. an , the

The old man left an estate( 遗产) of ______ when he died.

A. two million dollar B. two millions dollars

C. two million dollars D. two millions dollar

The actress is already 50, but she looks ______ than she really is.

A. young B. more young

C. more younger D. much younger

— Why didn’t you enjoy the talk?

--It was ____ talk I had ever listened to.

A. more interesting B. less interesting

C. the least interesting D. the most interesting

Lucy knew nothing about it _____ her sister told her.

A. because B. until C. if D. since

_______ it’s difficult to make her dream come true, she never gives up.

A. Though B. Unless C. Because D. If

–- How long may I ______ your bike?

-- For a week. But you mustn’t _____ it to others.

A. borrow, lend B. keep, lend

C. lend, borrow D. keep, borrow

______ you wait a few more minutes? It’ll be your turn soon.

A. Must B. Should C. Could D. Might

Mary told me that the book must ______ to the library in two days.

A. be return B. be returned

C. been returned D. return

Alice had a wonderful time yesterday,_______?

A. hadn’t she B. wasn’t she

C. didn’t she D. wouldn’t she