题目内容
12．Dogs_____run through soccer games at the park．It's dangerous．（ ）| A． | should | B． | shouldn't | C． | need | D． | needn't |
分析 在公园狗不应该在足球比赛中跑来跑去，太危险了．
解答 答案：B．
根据Dogs_____run through soccer games at the park．It's dangerous可知在公园狗不应该在足球比赛中跑来跑去，太危险了．根据It's dangerous，可知这里说的是不应该做某事，应该用否定形式．故选B．
点评 本题考查了情态动词的用法．解答时首先根据题干明确句意，理解所给选项中每个情态动词的意思并熟练掌握它们的用法，便可作出正确选择．
练习册系列答案
名校课堂系列答案
相关题目
20．The whole family were _____agreement about what they should do next．（ ）
| A． | about | B． | of | C． | in | D． | on |
17．根据短文内容，用方框中所给单词的适当形式填空，每词限用一次．
When you laugh，you will open your mouth and show your teeth．The healthier those teeth are，the happier you look．Why is that？It's（81）because your teeth are important in many ways．If you take care of them，they'll help to take care of you．Strong，healthy teeth help you eat the right food to make you grow．They also help you speak（82）clearly．
You can take care of your teeth by doing like these：
Brush your teeth（83）twice a day before breakfast and before bedtime．
Brush all of your teeth，not just the front ones．
（84）Take your time while brushing．Spend at least 3minutes each time you brush．
Learn how to floss（用牙线清理）your teeth，which is a very important way to keep them healthy．
Brushing and flossing keep your teeth healthy．You also need to （85）care about what you eat and drink．Eat a lot of fruits and vegetables and drink water instead of drinks．
| two，because，care，take，clear |
You can take care of your teeth by doing like these：
Brush your teeth（83）twice a day before breakfast and before bedtime．
Brush all of your teeth，not just the front ones．
（84）Take your time while brushing．Spend at least 3minutes each time you brush．
Learn how to floss（用牙线清理）your teeth，which is a very important way to keep them healthy．
Brushing and flossing keep your teeth healthy．You also need to （85）care about what you eat and drink．Eat a lot of fruits and vegetables and drink water instead of drinks．