We have lost touch (with/of/ for/over) each other for a long time
1.We have lost touch (with/of/ for/over) each other for a long time.
2.I must study hard to keep pace (with/of/for/to) my chassmates.
3.The prices of petrol are going (up/down/on/out) from 52 US dollars to 54 US dollars for a barrel.
4.I usually regard him(with/in/as/at) my close friend.
5.Don't make a fuss (over/on/at/of) such trifles.
6.The bomb has gone (out/off/over/with) in a crowded streeet.
7.Who will look (for/after/at/around) the child when you're away?
8.Congratulate you(in/to/on/with) winning the game.
9.I feel very hot because the electricity has gone(off/out/along/after).
10.The plane crashed (into/on/in/with) the mountain.