We must take some measures to control the pollution.

[问答题]We must take some measures to control the pollution.

[问答题]We must take somemeasures to control the pollution.

[问答题]Something must be done to prevent the pollution.

[问答题]Air pollution is more serious than water pollution.

[问答题]Air pollution is more serious than water pollution.

[单选题]They will take measures against (海盗)___and pilferageA．privatesB．piratesC．stowawayD．personnel

[单选题]You must take good care of the drainage cock of the air control system. Because lead scale formed which might malfunctions the pilot control valve and other instruments.A．the temperatureB．the rustC．the pressureD．the humidity

[单选题]You must take good care of the drainage cock of the air control systemBecause （） leads scale formed which might malfunction the pilot control valve and other instruments.A . the temperatureB . the rustC . the pressureD . the humidity

[单选题]Must I take a taxi? - No, you ________ . You can take my car.A.had better t

[单选题]When we write, we must write as ______as we can.A.careful B.carefully C.mor