Many scientists have claimed that _______ like music are often good at mathematics.

 A. The number

 B. are decreasing

 C. that

 D. in

 A. Mr. Forest admitted making a mistake in the calculations.

 B. Mr. Forest admitted having made a mistake in the calculations.

 C. Mr. Forest admitted to having made a mistake in the calculations.

 D. Mr. Forest admitted to have been made a mistake in the calculations.

 A. for

 B. in

 C. on

 D. with

 A. I was introduced to a man who brother I had seen on TV the evening before.

 B. I was introduced to a man which brother I had seen on TV the evening before.

 C. I was introduced to a man that brother I had seen on TV the evening before.

 D. I was introduced to a man whose brother I had seen on TV the evening before.

 A. happy

 B. dirty

 C. energy

 D. supply

 A. different

 B. differ

 C. differently

 D. difference