—I felt it very difficult to carry on the work all by myself. —I could have helped you, but you _____me to.
When we talk about the cities in United States, the first ________comes into our mind is New York.
Gun control is a subject ________Americans have argued for a long time.
Mary _________a professor for half a year.
Since I won the big prize, my telephone _______ ringing. People are phoning to ask how I am going to spend the money.
Life is like an onion,sometimes makes you weep when you try to open it.