The two boys had so _____ in common that they soon became good friends.

_____, the professor is still trying to learn a new language.

Fresh air, enough exercise and nutritious food （ ） to good health.

Our company’s service is （ ） in nearly 80 countries around the world.

I can’t find my keys! Can you help me （ ） them?

When he awoke， he found himself _____ after by an old woman.

We mention the importance of giving up smoking once and again, but hardly ______ it.

—Where is my cell phone? I can’t find it. —Well, you ______ have put it somewhere.

Ted, （ ） yourself and don’t get your coat dirty again, or you will get into trouble!

No sooner had he sat down to lunch （ ） there was a knock at the door.

I stayed up all night _____ to find a new solution to the problem.

Only when （ ） in the afternoon （ ） able to leave.