1、Grade 9 Units 12单项填空1The headmaster warned us against _A_ the computer games too much.Aplaying BplayCto play Dplayed2Birds sometimes chatter to each other to _A_ of danger.Awarn Bthink Cremind Dread3The morning paper _A_ all the people delays at the airport.Awarned; of Bwarned; fromCwarned; on Dwarn
2、ed; against4Theyve increased the price _B_ 50%.Ato Bby Cwith Din5Our coal output has increased _D_ 8 million tons this year.Aby Bwith Con Dto6Have you ever learned English _B_ listening to radios?Awith Bby Cfor Din7Can you express it _D_ French?Aby Bon Cwith Din8Do you see the girl drawing a picture
3、 _D_ a pencil?Yes, she is my roommate and she is very friendly.Aon Bin Cby Dwith9The Wright brothers _B_ the plane in 1903.Afound BinventedCfound out Dcreated10A novelist _A_ several characters with different personality.Acreated BdiscoveredCfound Dinvented11We all look forward to the day when the scientists can _B_ more secrets of the universe.Acreate BdiscoverCinvent Dlook12Lucy was _C_ excited _ say anything when she heard the good news.Aso; that Bsuch; thatCtoo; to Dvery; that13As we all know, one is never _C_ old _ learn.Aso; that cant Benough; cantCtoo; to Dso; that
