It's impolite to [cutin] when others are having a conversation.

[单选题]It's impolite to [cutin] when two persons are having a conversation.A.stand

[单选题]It's impolite to [cutin] when two persons are holding a conversation.A.leav

[单选题]It's impolite to [cutin] when two persons are holding a conversation.A.leav

[问答题]It's a custom for people to shake hands when they meet for the first time.

[单选题]It's eleven o'clock. It's time ______.A.go to bedB.to go to bedC.go to the

[单选题]It's ______ and these are ______.A.orange trees; apple treesB.an orange tre

[单选题]What's the time?---It's ______.A.four fourtyB.four fortyC.forty fourD.fourt

[单选题]It is [irritating]to be forced to listen to such silly conversation.A.chill

[单选题]It's time for ______.A.to go to bedB.bedC.the bedD.go to bed

[单选题]24． What's that? It's a________，A． basketballB． bookC． notebookD． desk