Some passers-by witnessed the car accident ______ five passengers were killed, a baby included.
A. where B. which
C. that D. when
— Why do you do volunteer work in the North—West?
— I_____ to improve the lives of the children there through my efforts.
A. was trying B. have tried
C. am tryingD. tried
I send you my revised catalogue and price list, ______ you may find something that suits you.
A. to hope B. hoping
C. hoped D. hope
Under the new schedule, teachers of primary and secondary schools must _____each class on time instead of adding extra lessons.
A. cancel B. Advocate
C. postpone D. dismiss
—Hi, Tom. The new iPad6 only cost me 150 dollars.
—Really? It was a real ______.
A. change B. bargain
C. trade D. business
Appointed as ____chairman to China, Mr. Xi was determined to serve his country____ heart and soul.
A. an, the B. the; a
C. the; theD. /; /
