— What does your father do?— _________A. He is a teacher.B. He is from China.C. She is a nurse.
People _________ rivers for transportation since the beginning of history.
The new headmaster looks _________ to all the teachers and students of the school.
If the kids stay indoors all the time and get no exercise, they _________ weak.
At the meeting the boss was explaining his plan while his secretary_________ the notes.
Mr. White spent about one hour and a half _________ the accident report yesterday evening.