The plane arrived at London airport ______Wednesday.

It was in Beihai Park _____ they made a date for the first time ______ the old couple told us their love story.

It’s dangerous to walk across the street carelessly.–You’re right. We can’t be ________ careful while crossing the street.

Have you paid What’s my share of the bill —____. It wasn’t very much.

The news that he failed in the exam _______ his unhappiness this morning