A. a; a B. a; the
C. the; a D. the; the
[单选题]We shall never beable to [fulfill] ourselves truly unless we are working fo
[单选题]We shall never beable to [fulfill] ourselves truly unless we are working fo
we would have prevented the catastrophe.A.If we knew it earlier B.Unless we had
The manager told us never to ______ till tomorrow what we can do today.A. come u
[单选题]When we write, we must write as ______as we can.A.careful B.carefully C.mor
[主观题]We are quite sure that we can ______our present WeWearequitesurethatwecan______ourpresentdifficultiesandfinishthetaskaccordingtoschedule.A.)getacrossB)getoverC)getawayD)getoff
[单选题]We can conclude from this passage that camels ______.A. feel at home in the desertB. like to carry heavy loadsC. look like ships from a distanceD. will always be useful
[单选题]When we write, we must write as______as we can.A.carefulB.carefullyC.more c
We remain unaware of this fact unless we, or one of our close relatives, are amo
[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