3. 用if或 whether引导宾语从句。
注意:1)if/ whether的不同用法;2)时态一致;3)陈述句的语序
e.g. 将下列句子合并为含有宾语从句的主从复合句。
1). Mars has two moons. The teacher told the
students.
.
2). “Have you ever been to Beijing? My cousin asked me.
.
3)
He will finish the task in two days. He said.
.
4). Does it take very long to travel from
Earth to Mars? Do you know.
.
5). Will Lucy come tomorrow or will she not
come ? I am wondering.
.
9B Unit 2 Robots