1.What are they doing?Do you think?合并成一个句子
---what--- ---do--- you ---think---- ---about----- ---their---- doing?
2.How can we get to the plane?I didn't know.合并成一个句子
I didn't know --how---- ---we-- ----can-- get to the plane.
3.It's possible to finish the work today.同义句转换
---Not--- ---to--- --finish----- work is impossible today.
4.The ice is very thin.We can't walk on it.合并成一个句子
The ice is -too---- -thin----- ---for--- -----us-- to walk on .
5.Will they go to Beijing?The boy asked.合并为复合句
The boy asked ---if--- ---they--- ---would---- go to Beijing.
6.对他们来说,在两天之内完成那项工作是困难的
It's ---hard--- ----for--- them --to---- ---finish-- the work in two days.