this is a pencil 改为一般疑问句

问题描述:

this is a pencil 改为一般疑问句

Is this a pencil?

Is this a pencil?
am, are, is 搬到句首就完成了

Is this a pencil?
这是一支铅笔吗?

is this a pencil?

Is this a pencil?
以后遇到这种问题呢 就把疑问词提到句首,结尾变问句就ok
其他的照常.