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Thomas Edison invented _______ light bulb (燈泡)．He was _______ unusual man.

A.a; a B.an; the C.the; an D.a; /

Two-thirds of the population in China ________ a good habit of reading.

A.has B.have C.had D.there is

—What are the students doing?

—Some of them are playing games and ________ are reading.

A.another B.the other C.other D.the others

—________ has he stayed in that mountain?

—For a week.

A. How often B. How soon C. How long D. How many

Man's nature _________ birth is good.

A.in B.at C.on D.of

（2017﹒江蘇宿遷）Our head teacher often says, ＂You will not pass the exam ___________ you work hard.＂

A.if B.unless C.since D.when

----Mr. Wu has recommended many books. Have you decided first?

----Yes. The Little Prince.

A.how to read B.which to read C.when to read D.where to read

It is accepted by everyone that knowledge is the most valuable _______ for human beings.

A.treasure B.sample C.invention D.encouragement

—Tom, have you ever read the book ________ A Tale of Two Cities《雙城記》by Charles Dickens?

—Yes. I finished reading it last winter vacation.

A.was named B.is named C.named D.names

—________ you ever _______ the movie Harry Potter? (哈里波特)

—Yes. I ________ it last week.

A.Have; watched; watched B.Did; watched; watched

C.Have; watched; have watched D.Did; watch; watched