After the argument Colin ran away and__________since．
A: isn’t heard of
B: wasn’t heard of
C: hasn’t been heard of
D: hadn’t been heard of
A: isn’t heard of
B: wasn’t heard of
C: hasn’t been heard of
D: hadn’t been heard of
举一反三
- Until then, his family _____ from him for half a year. A: didn’t hear B: hasn’t been hearing C: hasn’t heard D: hadn’t heard
- Till then, John ______ from his sister for about half a year. A: hadn’t heard B: didn’t hear C: hasn’t heard D: won’t have heard
- They ______us because of the noise then. A: mustn’t have heard B: needn’t have heard C: couldn’t have heard D: might not heard
- I heard that you really had a wonderful time at John’s birthday Party, hadn’t you A: I heard B: had C: at D: hadn’t
- He must have been very depressed when he heard the news, A: mustn't he B: haven't he C: wasn't he D: didn't he