问题

What do you think of the math problem — It’s very hard and nobody has _______.
A:put it out
B:helped it out
C:worked it out
D:solve;
B:helped it out
C:worked it out
D:solve;
正确答案是:
同类题型
oor to ours ,who seem to have settled in this community for quite a long time.
at we’ve discussed our problem, are people happy with the decisions ________
Who’s that ______ the gate of the factory
How did you ____ French? — I had lived in Paris with my aunt for years before I came to England.
Why not go and have dinner in arestaurant — _________. It’s too expensive.