问题
He was disappointed ____ he had learned frombooks quite differed from his actual life
A:had not beenheard of
B:has not been heard of
C:had not heardof
D:has not heard of
B:has not been heard of
C:had not heardof
D:has not heard of
正确答案是：
同类题型
The machine has been used many years. It’s no wonder that it doesn’t work well________.
We cannot religionby administrative order or force people not to believe in it.
nd half hours ofdiscussion took us up to midnight, and break forcheese, chocolate and tea with sugar
The committee is totally opposed_______any changes being made in the plans.[ ]