单选题：______atthedoorbeforeyouentermyroom,please.

题目内容：

______atthedoorbeforeyouentermyroom,please. A．Knock
B．Knocking
C．Knocked
D．Toknock

参考答案：

答案解析：

WecanconcludeformSamsung’sstatementsthat___________.

WecanconcludeformSamsung’sstatementsthat___________.A．theappconnectionmakeslifee

分类：英语题型：单选题

Hegotuplateandhurriedtohisoffice,_________thebreakfastuntouched.A.leftB.toleaveC

分类：英语题型：单选题

It’squitewarmhere;we__________turntheheatingonyet.A．couldn’t B．mustn’t C．needn’t

分类：英语题型：单选题

Thedogmaybeagoodcompanionfortheold._______,theneedtotakeitforwalksmaybeadisadvan

分类：英语题型：单选题

分类：英语题型：单选题