________ twice, the postman refused to deliver our letters unless we chained our dog up.

【题文】______ twice, the postman refused to deliver our letters unless we chained o

[单选题]We are using up our natural resources too quickly and at the same time we are ______our environment with dangerous chemicals.A． protectingB． savingC． pollutingD． fighting

Pick things up Picking things up is not easy.If we drop our pencil on the flo

We remain unaware of this fact unless we, or one of our close relatives, are amo

[主观题]Then we start to shape our thoughts our own word and finish 78.

During our holidays，we should avoid_________up at night and oversleeping in the

However, under no circumstances should we ___ our achievements, nor should we re

[主观题]We are quite sure that we can ______our present WeWearequitesurethatwecan______ourpresentdifficultiesandfinishthetaskaccordingtoschedule.A．)getacrossB)getoverC)getawayD)getoff

[主观题]Itisour___________policythatwewillachieveunitythroughpeacefulmeans.A)consistentB)continuousC)considerateD)continual

[单选题]Itisour______policythatwewillachieveunitythroughpeacefulmeans.A)consistentB)continuousC)considerateD)continual