_________(44)
A.matters
B.substances
C.materials
D.equations

Different fourteen crops were grown 8,600 years ago by some of the world’s earliest farmers.
A.different fourteen
B.grown
C.ago
D.farmers

A warning printed on a makeshift lifebuoy says: “This is not a life-saving device. Children should be accompany by their parent.
A.life-saving
B.children
C.accompany
D.parent

“Why don’t we wear sunglasses?” our grandpa would say when we went out on bright sunny days.
A.Our grandpa used to suggest wearing sunglasses when we went out on bright sunny days.
B.Our grandpa would warn us against wearing sunglasses on bright sunny days.
C.Our grandpa asked us why we did not wear sunglasses when going out on bright sunny days.
D.Our grandpa reminded us of going out with sunglasses on bright sunny days.

People say that Mr. Goldman gave nearly a million pounds to charity last year.
A.Mr. Goldman is said to have given nearly a million pounds to charity last year.
B.Mr. Goldman was said to have given nearly a million pounds to charity last year.
C.Nearly a million pounds was said to have been given to charity by Mr. Goldman last year.
D.Nearly a million pounds is said to be given to charity by Mr. Goldman last year.

David was narrowly defeated and blew his own chance of becoming a champion.
A.Losing the championship came as a terrible blow to David.
B.In spite of the narrow defeat, David won the championship.
C.As a result of his narrow defeat, David did not win the championship.
D.But for his title as the former champion, David would not have defeated his rivals.

“I would be grateful if you could send me further details of the job," he said to me.
A.He flattered me because I sent him further details of the job.
B.He felt great because further details of the job had been sent to him.
C.He thanked me for sending him further details of the job.
D.He politely asked me to send him further details of the job.

We spend about one-third of our lives sleeping. We know relatively little about sleep.
A.We know relatively little about sleep; as a result, we spend about one-third of our lives sleeping.
B.We shall know more about sleep if we spend more than one-third of our lives sleeping.
C.Despite spending about one-third of our lives sleeping, we know relatively little about sleep.
D.We spend about one-third of our lives sleeping so that we know relatively little about sleep.

He was successful because he was determined to pursue personal goals. He was not talented.
A.His success lay in his natural ability, not in his determination to pursue personal goals.
B.In addition to his determination, his talent ensured his success in pursuing his goals.
C.His determination to pursue personal goals made him successful and talented.
D.It was his determination to pursue personal goals, not talent, that contributed to his success.

I did not arrive in time. I was not able to see her off.
A.She had left because I was not on time.
B.I did not go there. so I could not see her off.
C.I was not early enough to see her off.
D.I arrived very late to say goodbye to her.