1)Look,_____dirty the water is!yes,we should really take act

1)Look,_____dirty the water is!yes,we should really take action to deal with it.
A.what a B.what C.how D.how a
2)During the past two years ,several earthquakes ______in different places of the world.
A.happen B.happened C.took place D.take place
3)His flight to New York will ______from Shanghai International Airport in two hours.
A.take off B.take up C.take away D.turn off

1.C water 不可数去掉A D项 记住这种感叹句 what 后要加a或an这些冠词 how后面直接加形容词例如 What a lovely girl she is!等价于How lovely the girl she is!记住这种形式就行了
2.C past two years 是过去的时间 后面的动词要用过去式 至于take place 和happen take place 有计划地发生/举行/进行 happen 突然发生
3.A take off 起飞