中考英语 选择填空专项练习50题1. -Youve dropped _ “s in the word “acros.-Oh, _ letter “s should be doubled like this “across.A. a , a B. an ,a C. an ,the D. the ,the2. -May I _ your dictionary for a while?-Sorry, Ive _ it at home.A. borrow, left B. lend, forgot C. keep, left D.take, forget3. Those_ have caught SARS disease must be kept off from us.A.who B.which C./ D.what4. Roy made several kites ,but _ of them can fly high in the sky.A. neither