we waved our hands----- our friends could see A so that B such wh_英语解答

we waved our hands----- our friends could see
A so that B such what C that so D that such

人气：415 ℃　时间：2020-05-08 10:15:29

解答

we waved our hands----- our friends could see us
A
so 表示以便,所以.that引导一个从句