It is desirable that the airplane be as light as possible.为什

It is desirable that the airplane be as light as possible.为什 it is desirable that the airplane be as light as possible怎么翻 It is desirable that our salary (raise) as soon as possible. It is desirable that the automation equipment_running as muc It is requested that the plan_____ out as soon as possible It is important that the aeroplane ______ as light as possib 9.It is important that the aeroplane ______ as light as poss The parcel is three times as light as that one. reading is as possible as it the evidence is that it would be as useful as changing the c It is required that the machine be oiled as frequently as ne The best way to learn English is（）it as often as possible.A