I’m afraid I have to give it up.—Remember ______ sticks to his work will succeed one day.

Would you mind your ________ your cigarette, sir Smoking is bad for your health.— Sorry, I’ll do it right now.

Bob and I had quick breakfast and then went to get X-ray in the hospital.

He stayed _________when I told him theterrible accident.

If only I _____ a few days ago！Then I wouldn’t have beenfeeling so worried now.