---____postcards are there on the desk? ---None.A How old B How much C How many D How long
—Hi, Jane, tell you a piece of good news. I _____ America tomorrow.—Wow, have a good trip!
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.