---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.
A. on; by B. by; by C. on; on D. by; on
Recently our government policymakers are very ______ about the rapidly rising food cost.
A. satisfied B. concerned C. angry D. confused
Many people agree that______ knowledge of English is a must in______ international trade today.
A. a; 不填 B. the; an C. the; the D.不填；the
－－The button in the kitchen is out of order.
－－_______.
A. I’m really sorry to hear that.
B. No problem. It’ll be OK.
C. Anything else I can do?
D. Why not get Mr. Kidder to have a look
I’ll be late home tonight because something has just ______ at work.
A. come up B. come out C. come over D. come across
There was an _________ look on his face when he knew the bad grade of his son.
A. worrying B. exciting C. worried D. excited
