___at the door ,i'v hardly rung the bell ____ the door opened.为什么用standing ,before?
人气：254 ℃ 时间：2020-01-27 08:06:29
解答
1）standing 是属于现在分词.语法规定,如果动词要做主语,不能用原形,只能用ing形式或不定式（to do）,这里不能用不定式是因为不定式表示目的,而这里表示当时的状态就是正在站在门口,所以用ing形式.2）hardly .when/ ...
推荐
- The girl had hardly rung the bell ____ the door was opened suddenly,and her friend rushed out to
- the girl had hardly rung the bell ( ) the door was opened suddenly,and her friend rushedout to.
- Lisa had hardly rung the bell___the door was opened suddenly,and her friend rushed out to greet her
- The door bell _____ when I was leaving.A rang B ringing C rings D rung
- He had hardly sat down to have a rest when the door bell rang and in came Allan.
- 函数f(x)=a^x/(1+a^x) -a是奇函数 则实数a的值为?
- 若A>0,B>0,C
- 在三角形中,角A,B,C对边为a,b,c角A,B,C成等差数列.求cosB的值?若边a,b,c成等比求sinAsinC的值?
猜你喜欢
