问题
–-I feel down now All my work goes fornothing—___________ That’s life
A:didn’t have heard, must have been
B:didn’t have heard, must be
C:didn’t hear, must have been
D:didn’t hear, must be
B:didn’t have heard, must be
C:didn’t hear, must have been
D:didn’t hear, must be
正确答案是：
同类题型