塑料安全帽使用期从产品制造完成之日起计算,不得超过()。
A.五年
B.三年半
C.三年
D.两年半
参考答案:D
句型转换。
1.Tom goes to school by bus.(对划线部分提问)
Tom go to school?
2.The school is in front of the library.(对划线部分提问)
the school?
3.There are some cars on the road.(变一般疑问句)
there cars on the road?
4.I am going to buy an English book after school.(对划线部分提问)
are you going to after school?
5.Turn left at the cinema.(变否定句)
left at the cinema.
蕴含