—I ________ up peppers for the last five minutes.

A.cutB.was cutting

C.had cutD.have been cutting

A.a; /B./; the

C.a; aD.a; the

A. howeverB. anyhowC. thereforeD. though

【题目】— Why did your brother look so down?
His ________ to become a pilot was held back by his poor eyesight.
A.promotion
B.destination
C.instruction
D.ambition

【题目】more coffee couldpeople's life span, as coffee drinkers would have a lower risk of death, a new study shows.
A.Drinking; diverse
B.Drinking; extend
C.To drink; conservative
D.Being drink; adopt

A. relaxingB. relaxedC. relaxD. relaxation

【题目】The first child in the worlda double hand transplant has been able to fulfill his dream of swinging a baseball bat.
A.undergone
B.underwent
C.to undergo
D.undergoing

A. have been coughing B. had coughed

C. coughed D. cough

A.waitB.waitedC.had waitedD.have been waiting