()useful wok they have done A.what a B.what an

()useful wok they have done A.what a B.what an 英语谜语:they are useful they are very useful and h （what） are they useful （for）? 改病句 They are collect useful things 英语翻译Chica cha ha ha Chica cha ha ha Chica cha ha ha Chica cha ha ha Chica cha ha ha Chica cha ha ha No matter what they tell us No matter what they do No matter what they teach us What we believe it's true No matter what they call us However BIG WOK怎么样 GARDEN WOK怎么样 useful, useful did they build a bridge here a year ago?改成被动语态he made the farmers wok for a long time . HOT WOK CHINESE RESTAURANT怎么样 hens are really useful to people because they can I______eggs. please take of your books .they are useful to you They can look and see.They can blink and cry.They are useful for you and me.They are____ They can look see .They can blink and cry.They are useful for you and me.They are____ they stay for a much longer time than they are useful. they carried as much as they could,because it would be useful at home.