21.The doctors _______ the medicines to the people in the flood area.
A. distributed
B.packed
C.prayed
D.undertook
22.Much of the news provided by this newspaper is _______, not foreign.
A. domestic
B.strain
C.purchase
D.murder
23.He tried to _______relations with his former wife but he failed.
A. measure
B.maintain
C.shelter
D.reply
24.He _______ to study harder in the future so that he could have more opportunities to find a better job.
A. resolved
B.resorted
C.requested
D.reserved
25.The _______ work continued for more than a week but there was still no sign of the missing boy.
A. research
B.rescue
C.vessel
D.vast