the deep river is dangerous ().to swim;to swim in;swim in;swimming应该选哪一个? tom does nothing but ()all day long.应该填play的什么形式?
人气:346 ℃ 时间:2019-08-20 16:21:25
解答
to swim in play理由在水里游泳 ,in不能省略nothing but + 动原nothing but就算加动词原形,可这里主语不是tom吗?不应该用第三人称单数吗?和人称无关,tom 管doesi have to finish my homework before my father ()back,or he will be angry.这里面的come应该填什么时态?comes 主将从现主句不是将来时吧?