问题

So necessary _____ it to learn about their customs that I will attend a special lecture next week.
A:I have found
B:I feel
C:have I found
D:will I feel;
B:I feel
C:have I found
D:will I feel;
正确答案是:
同类题型
I remember _____ someone ____ the umbrellaaway
Nobody ________ what the future will be like.
126. The reason for the strike was that thecompany _____ its workers _____ long hours and low pay.
Hepburn won an Oscar ______ Best Actress ______ her role ______ the film Roman Holiday.
The newcomers still don’t know ________ the difficult situation after practicing for 2 months.