______well prepared you are, you still need a lot of luck in mountain climbing

I visited the Purple Mountain Observatory lastSunday.—__________ Why didn’t you tell me earlier

______ Mary happy today—I don’t think so. She ______ look happy this morning.

I like fast food for ____ breakfast. —-Me, too. I always have it with ____ cup of coffee.

In my opinion, jogging for some time is _________ to our health.