The manager was concerned to hear that two of his trusted workers _____

It is usually quite warm in my hometown in March, but it_______ be rather cold sometimes.

___________ that theQing Tombs areinfluenced by the Ming Tombs, especially architecture and the way they areplaced among the surrounding mountains and valleys

From this day, I will be more careful when crossing the street

It was not until she got home ___ Jennifer realized she had lost her keys.