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【題目】 Drive slowly, Mary. ______ is something ahead on the road.

【題目】It is important to make new laws and create international standards for these laws similar to _______ concerning international airspace.

【題目】Thanks to Dr.Yuan Longping，the output of rice________steadily in China in the past few years.

【題目】 Remember that ______ is better than cure, so brush your teeth at least twice a day and visit your dentist for regular check-ups.

【題目】 In North America, meat eaters are bears and mountain lions. They eat smaller animals such as rabbits and mice.

【題目】How lucky! The boy had a ________ escape when he ran across the road in front of the bus.

【題目】Having proper motivation is not _______ —it is another key to success.

【題目】It seems useless for us to ________ any more time to this question. Let’s stop here.

【題目】He was so angry as to be unable to do what he wanted to, But he couldn’t say ________ that upset him.

【題目】We the last bus and didn’t have any money for taxi, so we had to walk home.