If nothing ________, the oceans will turn into fish deserts.
| A．does | B．had been done | C．will do | D．is done |
—I knocked over my coffee cup. It went right over _________ keyboard.
— You shouldn't put drinks near _________ computer.
| A．the;不填 | B．the;a | C．a;不填 | D．a;a |
（年安徽省合肥市高三第三次教学质量检测）21. Gottlieb Daimler, ______ German engineer, is normally believed to have invented ______ car.
| A．a; 不填 | B．a; the | C．the; a | D．不填; a |
_____ I cannot understand is _____ she wants to resign her present job.
| A．What; why | B．Which; how | C．That; why | D．What; which |
（届江西省重点中学盟校高三第二次联考英语试卷）31. Your IQ isn’t _____determines whether you will succeed in your future life.
| A．what | B．where | C．that | D．why |
---Tell me something about your adventure in the rainforest, please.
---We lost our way in the forest and ___ made matters worse was ___ night began to fall.
| A．what; that | B．it; that | C．it; because | D．what; because |