Put the sign ______ the students can read it.
Chọn đáp án B
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.
______ my mother was cooking in the kitchen, my father was working in the garden.
It was such a boring film that we left the movies before it ended.
Tony had little difficulty in passing the examination, ______ he has a very good foundation in English
The conference had to be cancelled ______ a key piece of equipment was out of work.
The traffic was ______ heavy that we could not manage to arrive at the meeting.