Water in that river is dirty and ________. (A) pollute(B) pollutes(C) polluted(D) polluting

Water in that river is dirty and ________.

(A) pollute

(B) pollutes

(C) polluted

(D) polluting


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4.— Did you have anyone ______the trees?—Yes,l had the trees ______.A. to water ;waterB. to water; wateredC. water ; to be wateredD. water; watered

The children enjoyed______ (they) in the.river

42________A.helpB.exicultC.restD.water

It’s dangerous to swim in a ________ river.A、roughB、roughingC、calmD、roughed

Man cannot live without______ water. A. aB. theC. anD. /

He found me very dull.A: lazyB: boringC: sleepyD: dirty

Dirty 是指干净的房间。

词根-chron-的语义是()。A.to write 写B.river 河流C.instrument 仪器D.time 时间

词根-riv-来源于Cronos的妻子天后Rhea, 表示river。

1、词根-chron-的语义是()。A.to write 写B.river 河流C.instrument 仪器D.time 时间