They are______a visit_____Japan.A on,to B to,on C on,in D at,to 为什么选A而不是选C 请说明一下理由!

Whose watches are they?——They are______A.them B.their C.theirs They are______a visit_____Japan.A on,to B to,on C on,in D at,to 为什么选A而不是选C 请说明一下理由! 矩形钢管理论重量0000阿黑哥撒visi差点 Now the enviroment is becoming worse and worse.The air and water are______A.pollutionB.pollutingC.pollutedD.more pollution (1/2)Niagara Falls is a great tourist （attract）,drawing millions of visi mount wuyi is such an attractive piace of interest as everyone likes to visi为什么从句要用as 求send the invitations,put on a play,visi ta farm,pick strawberries,tonight,tomorrow的音标 they they they They 用所给单词的正确形式填空.He's going to () his grandparents this week.(visi)Look at those ().(child)Is that knife ()?(your) ( )Some foreigners_______our school yesterday morning.A,visit B,will visit C,visited D,have visi)Some foreigners_______our school yesterday morning.A,visit B,will visit C,visited D,have visited they books are____(they) They.,did they?(造句) They They need light 六年级英语填空选择It is interesting to visit ___1___ country,but there are some problems when we don't know the language very well.It may be__2__ to talk with people there.We may not know how to__3___ the telephone in the country we are visi 1.Do you know the hotel ____ Xiangshan?A.call B.is call C.called D.to call2.The car went s_____ down the road.3.Where are your ___ (pass)?4.---Why does the study so hard?---To ___(pass) the exam.5.Draw a _______(straight) line.6.We all hope ____(visi