We shall never beable to [fulfill] ourselves truly unless we are working for the welfare of ourfellows.

[单选题]We shall never beable to [fulfill] ourselves truly unless we are working fo

[单选题]We can never expectbluer sky unless we create less polluted world.A． a; a B. a; theC． the; a D. the; the

[单选题]We shall probably never be able to _____ the exact nature of these sub-atomic particles.[A] assert[B] impart[C] ascertain[D] notify

[单选题]We shall advise you ____ we are able to supply the goods again.A . asB . whileC . as soon asD . until

[主观题]canwetrulylife

[单选题]Environment makes __________we are. If we damage the environment, we′ ll en

[单选题]We have agreed that we shall ________ to the policy and will not change it.

[主观题]As teachers we should concern ourselves 选择A．steachersweshouldconcernourselveswithwhatissaid,notwhatwethink________.A．)oughttobesaidB)mustsayC)havetobesaidD)needtosay

We are constantly acquiring new skills as we engage in activities or ______ ours

We have not fixed the date （）we shall start our holidays.A. andB. thatC. whenD.