ls it difficult to__tai chi?A.do B.go C.play

ls it difficult to__tai chi?A.do B.go C.play ls it _____eraser ls it什么意思? ls it windy? ls it summer or fall ls.it.on.your.desk? It's not good to__ ___your parents.(撒谎) It's about ten at night.Time to__.一个空 ls. eat过去式（ ） sun形容词（ ）1,A:ls this your calculator?B:no it__ __ A:__calculator is it?B:lt's hers.A:Let's go and __it to__.2,A:when is Children's Day?B:lt's on the first of___ A:what do children usually ___?B:they___and___ A:Did you __ Ls it friendly or unfriendly to others? ls it a kite的意思 ls it a tree?的答案是什么 ls it beautful there的意思是什么? ls it far from our school是什么意思 it is difficult it is difficult at It's difficult