It was so cold that they kept the fire ______ all night.
A. to burn
B. burn
C. burning
D. burned
19．答案为C keep+动词ing为一习惯句型，“使……保持某一状态”。
Do you think it necessary ______ an English diary every day?A. keepB. to keepC. keepingD. kept
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Remember, always _____ a dictionary at hand.A.keepB.to keepC.keepingD.kept
We were told that the stone figure _______ back to the 16th century was of great value. A. dated B. dating C. coming D. kept
An advantage of an ABC dry chemical over a carbon dioxide fire extinguisher is ______.A.lack of toxicityB.the multipurpose extinguishing abilityC.burn-back protectionD.cooling ability
Many cities have restricted smoking in public places.A:limited B:allowed C:stopped D:kept
What dreadful experience she has been through!A:terrible B:wonderful C:nice D:cold
What dreadful weather we have these days!A:terrible B:wonderful C:nice D:cold
