用方框中所给词语的适当形式填空。每词限用一次。
leaf use shake
twenty although
(1)
There is lots of information in the book.
(2)
the book is expensive, it is worth buying.
(3)
The on the tree are green in spring.
(4)
We hands and stood talking for a while.
(5)
The Greens live on the floor of the apartment.
答案: 【1】useful
【1】Although
【1】leaves
【1】shook
【1】twentieth