一道改错：Though they're twins,Tom likes playing football,his brother prefers soccer.答案给的是在his前加while或but.though和but表示“虽然”“但是”,不是不能在一个句子中出现么?如果though是“仍然还是”的

英语改错：They‘re policeman They're my dad改错 一道改错：Though they're twins,Tom likes playing football,his brother prefers soccer.答案给的是在his前加while或but.though和but表示“虽然”“但是”,不是不能在一个句子中出现么?如果though是“仍然还是”的 初一一道英语改错题What are these? They‘re watches. 改错 :What are this?They're pinapples. 改错 :What are this?They're pinapples. --What are these?--They're watchs.改错 改错题：—Are they shorts?—Yes,they're. are they watchingTV now?yes,they're 改错,有一处 Are these ships heavy?Yes,they're.Yes they're.改错 These books are the twins'.They're ours改错 They're having a football match this evening.改错! These earphones are Lucy's.They're his.改错 改错These earphones are Helen's.Theyre his.急! My geandparents are lovely.They're kind to me.改错 They're peaceful animals if they live in families groups改错 What's more ,bicycles are environmentally friendly than cars,though they hardly make noises.改错. How much are these black shoes?They're 30 yuans.(改错）