It was ______ of Michael to inform us of his delay in case we got worried.

We work during the week, but weekends and evenings are usually____.

A single-parent child should have the right to enjoy normal parental love from both just as his other peers, which some psychologists see as _____to their emotional well-being.

Looking you straight in the eye does not mean the person is telling the truth. Experienced liars often do this in a(n) ________ way，playing on people believing the myth.

Across China, ordinary people are becoming more and more ______ of the issue of environmental protection.

I bought tickets for myself and my friends at the park's entrance, but tickets are also _____ online.

Hobbies can help a person's ___________ and physical health.

Despite the poor service of the hotel, the manager is _______ to invest in sufficient training for his staff.   

— Mum, I find English challenging!

— Hold on, honey! You will be in a state of enjoyment if you make ______ efforts.

That Americans have no history while Chinese have no future sounds ________; it has raised a thought provoking question, though.

Our English teacher is really _____ and tells jokes when she thinks we're getting ___.

You'd better lock your       belongings in the safe (保险柜) before going out.

It was not immediately obvious that water was __________to the development of life.

A great variety of guidance for _____ visitors — ideas for what to do in off-peak season, for example, or outside of the city center — can have the effect of diverting them from already saturated landmarks, or discouraging short break away in the first place.

To our delight, the result of the experiment is entirely                  with what we expected.

—Do you still want to become a professional footballer?

—That ambition has never died. I'm still as__________ and determined to make it.

When I was young, I was really a _____ child, always hanging out, coming home late and making my parents upset.

By learning the decoy effect (诱饵效应), you may become less          to its unconscious influence.

To our surprise, all villagers stood at a ______ distance from the visiting medical team.

The children are all in the story. (interest)