John, look at the time. ______ you play the piano at such a late hour?

The most delicious bread in the world ______ by Mom. Please wait an hour to enjoy it.

After ______ seemed an endless wait, it was her turn to enter the general manager’s office.

No one can walk the wire in the air without a bit of fear unless ______ very young.

______ you are familiar with the author’s ideas, try reading all the sections as quickly as possible.

Why not take up some outdoor sports to relax ______ office work? It will also help keep you healthy.

 The young man, ______ several attempts to break the world record in high jumping, decided to have another try.

 —So you missed the English class this morning?

—______ I arrived 20 minutes after it started.

Why don’t you bring ______ to his attention that you are too ill to go on working?

They tried to find a table for two. But they were all ______.