John failed ______
Giải bởi Vietjack
Chọn đáp án A
I do not want to hear any more complaints. I have got enough problems ______ it is.
The whole country was very upset ______ the President was assassinated.
It was such a boring film that we left the movies before it ended.
______ my mother was cooking in the kitchen, my father was working in the garden.
There were ______ on the subject that we did not know where to begin.
The conference had to be cancelled ______ a key piece of equipment was out of work.
