答案:active
答案:active
A. A.necessity
B. B.necessary
C. C.necessarily
D. D.necessitate
A. A.rise
B. B.raise
C. C.arise
D. D.arouse
A. A.persuade
B. B.persuasive
C. C.persuasion
D. D.persuading
A. A.to travel
B. B.traveling
C. C.traveled
D. D.travel
A. A.that
B. B.it
C. C.which
D. D.what
A. A.which
B. B.which was
C. C.it is
D. D.they have
A. A.protective
B. B.protection
C. C.protected
D. D.protecting
A. A.the reason which
B. B.the reason of
C. C.why
D. D.that