问题
They are very familiar with this kind ofbusiness, so there’s no need to be______about the outcome. [ ]
A: enthusiastic
B: optimistic
C: concerned
D: controversial
B: optimistic
C: concerned
D: controversial
正确答案是：
同类题型
Which city will you choose to visit, London or NewYork —__________. I hope to visit Beijing.
Though ____ many times, the song still sounds as nice as before
Mr Green didn’t understand ________made his daughterso absent-minded
They really wanted to know __________ .
shown in the movie, under no circumstances__________ faith and confidence.