题目内容

A．ensureB．assureC．secureD．certify

A. ensure
B. assure
C. secure
D. certify

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A．frequentlyB．delightedlyC．inevitablyD．unexpectedly

A. frequently
B. delightedly
C. inevitably
D. unexpectedly

A．introducedB．insertedC．modifiedD．revised

A. introduced
B. inserted
C. modified
D. revised

A．incredibleB．obscureC．unanticipatedD．inspiring

A. incredible
B. obscure
C. unanticipated
D. inspiring

A．competitiveB．rewardingC．routineD．troublesome

A. competitive
B. rewarding
C. routine
D. troublesome