—Shall we tell Nancy about our plan?
—Better not ._____ her mouth is always swinging(摇摆) open like a door.
A.Although B.Because C.Unless D.When
Nowadays square dance has become one of exercises for the Chinese grandmas.
A.popular B.more popular
C.most popular D.the most popular
It's interesting to learn the _____ and customs of other countries.
A.manners B.value C.changes D.choices
阅读下面的短文,在空白处填入一个适当的词或填入括号中所给单词的正确形式。
We often have classes in the lab(实验室). There are many 1.(rule)in the lab. Don't eat or drink in the lab. Don't 2.(bring)food or drinks to the lab. There 3.(be)three reasons. First, the bowls and cups are very easy to break and the food or drinks will be out. They will make the lab dirty. 4.(two), there are many dangerous things in the lab. It isn't good 5. us if we eat them. If you put the food 6. drinks into your mouth in the lab, you may 7.(eat)some of dangerous things. Of course, it is always a good idea 8.(wash)your hands each time before you leave the lab. Third, food can attract(吸引)some mice(老鼠)and flies(苍蝇). So, if you want 9.(drink)or eat something, do it 10. the lab.
按要求完成下列各题
1.You can't play soccer in the hallways.(改为祈使句)
__________ __________ soccer in the hallways.
2.I have to finish the work today.(改为否定句)
I __________ __________ __________ finish the work today.
3.He can play the guitar, too.(改为否定句)
He __________ play the guitar, __________.
4.Mary has to wear the uniform at school.(改为一般疑问句)
__________ Mary __________ to wear the uniform at school?
5.We have to clean the classroom every day.(对画线部分提问)
__________ __________ you have to do every day?
Nancy can't come to your party because she ________ do her homework.
A.has to B.can't C.doesn't have to D.can
