仁愛(ài)版英語(yǔ)九年級(jí)上冊(cè)u(píng)nit4topic2chinaisthethirdnationsectionc練習(xí)題(存儲(chǔ)版)
【正文】 bted C. no doubt D. in doubt ( ) 2. In modem business, people on the Inter. It is very convenient and fast. A. place orderly B. place and cancel orders C. cancel order D. take order ( ) 3. The scientist don’t exactly know when the universe but they are still studying it. A. e true B. e about C. came into being D. e out ( ) 4. If we spend too much time on the Inter, we won’t have enough time to study. , working on puters too long may cause headaches or sore eyes. A. Beside B. Besides C. Except D. Expect ( ) 5.
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