as he been so upset—He didn’t leave the things _____ theybelonged, for _____ he was scolded by his parents.

I wonder when you _____ the new watch. —Well, I ______ it for two weeks.

Three minutes earlier ____ we could have caught the early train to Philadelphia

________ surprise that my first teacher,already 90, was still living and in ________ good health.

If we want to work for our country in the future，________，we should have a strong body and rich knowledge．