You can’t have this football back _________you promise not to kick at my cat again.
| A．because | B．until | C．when | D．since |
The school offers many _____ activities for the local students.
| A．infectious | B．recreational |
| C．fragile | D．Vocational |
It is ______ that the noise around us is a(n) _______ to our health and well being.
| A．preventable; precaution | B．denial; existence |
| C．undeniable; hazard | D．vital; culprit |
We can broaden our horizons through _________ to new things.
| A．hazard | B．exposure | C．recreation | D．Vapor |
Jack’s house has been broken into twice and now he takes________ against theft at any time.
| A．risks | B．chances | C．turns | D．precautions |
The environmental organization calls on customers not to purchase these _______ packages of food, clothes and gifts.
| A．intrusive | B．cognitive | C．excessive | D．Sensitive |