They should be school by eight o'clock.

They must _____(be)at school by eight o'clock they should _____school by eight o'clock ___这里填什么 They should__school by eight o'clock.A are B be at C are at 英语翻译It is eight o'clock.the children go to school by car eve They _________ ready for the experiment by eight o'clock yes it's eight o'clock already. Jack be here by now. 英语：by around eight o'clock是否等于at about eight o'clock? Our school starts at eight o'clock.对at eight o'clock提问 We must ____ home by eight o'clock. It is desirable that you should be there by two o'clock.在这里, 1.She ______________ (go) to school at eight o’clock. School starts at eight o'clock改一般疑问句