we must draw our attention （ ）the fact that the young don't look up （）the old nowadays选的是to to为什么

we must keep our classroom( ). we must ( ) our school nuiforms ( we must draw our attention （ ）the fact that the young don't look up （）the old nowadays选的是to to为什么 we must save our earth作文 We must make our planet much ( ) beautiful . We must ___ our ciassroom clean. We must keep our classroom _________(tidily) 初一英语 we must keep our classroom_______. We must wash our hands befor m_____ 翻译we must combine our strength We must take our s___ seriously we must stop-_____(pollute) our earth We must keep our street s_______. we must ().or our plan will fail we must redouble our efforts! efforts!.是什么意思? We must finish our homework(反意疑问句）We must finish our homework,____ _______? If we are to succeed,we must redouble our efforts! 以下这道题``选哪个?We must make some investigations we can draw any conclusion.We must make some investigations we can draw any conclusion.A.sinceB.beforeC.untilD.when