We must believe____each of us is capable of doing it well,___we must work hard at it until we succeedA,that,that B /,and that C that,and D /,/选B请问为什么At that time i had no idea ___ i could hand it to him without being seen.A if B that C th

We must We must value what we We must ( )(work)hard. we must call the We must help them? we must help it why we must sleep We must learn it we must find a We must purify the “we must study them.是“we must study them. we must keep our classroom( ). we must ( ) our school nuiforms ( we must start tomorrow morning. We must ___(be) careful. So We must Study hard we must do more英译汉 We must be strict_____ourselves_____our work.