改错 1.they have gone to beijing twice this year.2.i hear that one _英语解答

改错 1.they have gone to beijing twice this year.2.i hear that one of the students have come back

人气：180 ℃　时间：2019-08-21 20:13:24

解答

1 have gone 改成have been,因为去过2次,已经回来了,用have been to
2 have改成has,因为one of ,是一位,单数概念,因此谓语用单数