6. The_______action of the policemen saved the people in the burning house .
A. significant
B. tough
C. principal
D. prompt
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7.The government has expressed its_______of the plan to build three new power stations .
A. approval
B. faith
C. trust
D. confidence
Diana , Princess of Wales, had traveled to that country to support the Red Cross's world -Wide _______against landmines (地雷).
A. activity
B. campaign
C. movement
D. conference
Don't forget_______the letter for me when _______to town .
A. to post ; go
B. to post ; going
C. posting ; going
D. posting ; go
The policeman entered the building, ________upstairs .
A. looking about and hurrying
B. looking around and to hurry
C. looked about and hurrying
D. to look around and hurrying