把if we keep on wasting so much paper,there will not be any trees left on the earth用or改写.

把if we keep on wasting so much paper,there will not be any trees left on the earth用or改写. We keep on going on and on we must keep on learning if we want to keep up with the ( ) of the changing times.A.schedule B.journey C.pace D.transport If we believe something is good and true we should____to it.A.hold up B.keep onC.hold on D.keep up同时翻译一下整句 if/is/what/keep on/will/this/pollution/happen/we/causing 连词成句if/is/what/keep on/will/this/pollution/happen/we/causing喂喂，有个is啊亲。 Price is soaring,if it goes on like this,we shall not be able to keep the pot boiling. we must keep the ( )on the road we must keep the( ) on the road If we believe something is good and true we should _____ to it.A.hold upB.keep on C.hold on D.keep up 为什么选c 四个选项的解释 We can not keep on studying or doing our work all the time if we don't want to be b____ at school. If we keep on__so much paper,there will not be any trees left on the Earth.A.waste B.to waste C.wasted D.wasting原因 If you keep on,you will s____ in time.填空 if you keep on,you'll succeed in time.翻译 if it matters ,we are on it 高中英语提问 （ ） on trying ang you'll succeed. A:keep B If you keep 初一作文；How can we keep safe on the road we keep cargo on the move什么意思 We put on our coats to keep w( ) n winter