A．they’ve learned at school
B．they should get some free time to have fun
C．they often come up with their own games and projects
D．take advantage of the time to add some fun learning activities
E. it’s up to parents to encourage continued learning during the summer
It’s June, and summer vacation will begin soon. That’s a good thing. Most kids love summer vacation —they’ve worked hard during the school year and 18．_______________ Also, the freedom of summer gives them self-esteem (自尊心), happiness, and creativity. When kids have free time, 19．_______________, causing them to feel good about themselves and believe in themselves.
But there’s another side: the freedom of summer can cause the “summer drop,” where kids forget some of the reading, writing and math skills20．_______________. Many students go down in reading levels during the summer. Math skills are also easily forgettable for kids during the two months of school break. A lot of teachers spend weeks playing catch-up in the fall to make up for the summer drop. To avoid this drop in learning,21．_______________.
Traveling can be a fantastic way for parents to encourage continued learning during the summertime. Whether taking the kids on a road trip to visit family, or getting on a flight to travel in a different province or country, the learning possibilities are endless. If you and your family have a road trip or vacation planned this summer,22．_______________. With a little planning, parents can create learning opportunities that are so fun, The kids won’t even realize you are putting education into their free time quietly and secretly.
【答案与解析】
【文章大意】本文关注的是学生的阅读、写作和数学等技能会在暑假下降的问题，作者给出了两点建议：一是家长们应该鼓励孩子们在夏天继续学习；二是在旅行中增加一些有趣的学习活动，创造出学习的机会。
18．B  句中的破折号起解释说明的作用，根据上文they’ve worked hard during the school year可知暑假有空闲时间玩耍，备选句子they should get some free time to have fun符合句意，故选B。
19．C  根据上文Also, the freedom of summer gives them self-esteem, happiness, and creativity. When kids have free time,可知他们会玩出新花样，备选句子they often come up with their own games and projects符合句意，故选C。
20．A  根据上文kids forget some of the reading, writing and math skills可知这些都是在学校里学过的，备选句子they’ve learned at school做后置定语，符合句意，故选A。
21．E  本句不定式表目的，根据To avoid this drop in learning可知it’s up to parents to encourage continued learning during the summer建议家长们鼓励孩子们继续学习，符合句意，故选E。
22．D  if假如，表条件；根据下文With a little planning, parents can create learning opportunities可知主句是创造学习机会的建议，备选句子take advantage of the time to add some fun learning activities符合句意，故选D。