They often knock on_(people)doors in the evening.

They often knock on_(people)doors in the evening. They knock door to door for hlep knock knock knock knock knock knock Knock!Knock!Knock!歌词 they were i______ by a knock at the door “They knock the doors and windows.”中有什么错误 They often listen_music_the evenihg. knock on;knock at;knock over;knock scientists are confident that they can make lasers which can ________missilesA knock downB knock outC knock intoD knock offYuo think you`re poor,but look at ter people in really poor countries---it`s all__.A relativeB simpleC similarD reatedHe__down they often sleep at night ()()they often () at night? They all often review ____(they)lessons. What do they often da? They often play football.问句