-- I was wondering if we could go hiking on the weekend? ---_______good.
After Mr. Brown _______ smoking, he didn’t cough any longer.
A cellphone _____ a camera by most young people in China.
Although we have learned English for 3 years, we still have trouble _____ the new words.
—I want to be a doctor.—Doctors _____ greatly in every part of the world, I think.
Mike will go abroad tomorrow. I am going to _____ at the airport.