Tom’s bike needs ___. A. to repair B repairing C. repair D. be repaired
On hearing the bad news, he got up quickly ______ the lunch unfinished.
The girl looked at me with a _______expression. Maybe the problem was quite ______.
Would you please ______ your statement again? I don’t understand what you were saying.
---How long has the United Nations ________? --- ______1945.
Dr. Black is a professor of chemistry. _______, he is a famous writer.