问题
Environment protection requires our joint effort______ will be achieved unless we work well together
A:accessible
B:relative
C:acceptable
D:sensitive
B:relative
C:acceptable
D:sensitive
正确答案是：
同类题型
that he was in great danger, Eric walked deeperinto the forest
You hair is too long. You should have your hair .
The terrible accident might not have happened had thedriver been more careful.–But he _____.
Is this your pen—— _________. It’s her pen.
Why are you late again—Something happened to our friend Wang Fei. I _____ tohelp him.