Question

用since,for,ago填空 1.he stayed with us ( ) two weeks. 2.she arrived two weeks ( )

3.i have not seen him ( ) monday. 4.he has been ringing up continually ( ) lunchtime. 5.we waited ( ) ages. 6.he left a month ( ) and i have not seen him ( ) then. 7.it has not rained ( ) march. 8.my grandparents lived here a long time ( ). 9.i have not heard from him ( )1993. 10.we have been working on this new plane ( ) over a year now.

Answer 1

since 后加具体的时间，“自从。。。”，一般用于现在完成时，如since Monday
for后加一段时间，如一般用于现在完成时，如.he stayed with us ( for) two weeks，他和我们呆了两周。
ago前加一段时间，“。。。之后”，常用于一般过去时，如a few days ago
（课堂笔记）
其他就自己推吧

Answer 2

1.for
2.ago
3.since
4since
5for
6.ago since
7.since
8.ago
9.since
10.for

Answer 3

1.he stayed with us (for ) two weeks.
2.she arrived two weeks (ago )
3.i have not seen him ( since ) monday.
4.he has been ringing up continually ( since ) lunchtime.
5.we waited ( for ) ages.
6.he left a month ( ago ) and i have not seen him ( since ) then.
7.it has not rained ( since ) march.
8.my grandparents lived here a long time ( ago ).
9.i have not heard from him ( since )1993.
10.we have been working on this new plane ( for ) over a year now.

Answer 4

1.for
2.ago
3.since
4.since
5.for
6.ago；since
7.since
8ago
9.since
10.for

追问

每一句的翻译

追答

1他和我们一起呆了2周
2她在两周之前到了
3自从周一我就没看到他
4从午饭时间开始他一直持续地打电话
5我们已经等了好些年
6他一个月前离开了，从那以后我就没看见过他
7从3月起就没下过雨
8很久以前我的祖父母住在这里
9从1993年起我没有听到过他的消息
10我们在这架新飞机上工作一年多了
打这么多不容易啊，，求采纳~~~~

Answer 5

for，ago，since，since，for，ago，since，since，ago，since，for