He did not write _________,though尽管he had _______________.
【2013东营】This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
【2013福州】 — What's in the box? —There is apple and some oranges in it. A. a B. an C. The
【2013兰州】Do you know a spaceship flies at about nineteen kilometers _______ second?
【2014年江苏省宿迁市中考】I like apples. _______ apple a day keeps the doctor away, you know.
【2014年湖北省恩施州中考】Yesterday my father bought me____MP5.I like it very much. A./ B.a C.an