问题

Everyone should _______________ the environment.
A:benefited
B:makecontribution to protecting
C:contribute inprotecting
D:makecontributions to protecting
B:makecontribution to protecting
C:contribute inprotecting
D:makecontributions to protecting
正确答案是:
同类题型
Why are there so many people in the restaurant-It starts business today and the drinks____ for free.
ent to answer the phone__________ , Harry started to prepare lunch.
Look! You’ve made the same mistake again!— Oh, not again! _________ such a mistake
Well, Randy is not quite ready to make a decision yet.— So, ________, we have to wait, right?