1.---Tom often plays the record very loud at midnight in his apartment.
---____________!
A. Just your luck B. Better not C. It can’t be helped D. That’s too much
2.In the past three decades,____ significant advance has been made in _____ modem agriculture.
A. a;不填 B. the;a C.不填;the D. a;a
3.The knowledge ____ in one’s childhood will make a stronger impression on him than what he learns at any other life stage.
A. acquired B. acquiring C. being acquired D having acquired