—The problem is very difficult. I'm afra
题型:选择题
问题:
—The problem is very difficult. I'm afraid you can't work it out now.
— I fail this time, I will try it again.
A.Even if
B.Since
C.As if
D.Though
—The problem is very difficult. I'm afraid you can't work it out now.
— I fail this time, I will try it again.
A.Even if
B.Since
C.As if
D.Though