用动词的适当形式填空
The elderly lady watched the young boys playing basketball with great ________(interest)．
There is a desert _________(spread)for hundreds of miles．
Do you like _________(stare)at?
Our school _________(organize)a party to welcome the New Year．
I thought Jim would say something about his school report, but he ________(not mention)it．
This ________(confuse)problem made him unable to sleep．
The ________(surprise)news came as a surprise to me．
I almost couldn’t recognize my ________(change)hometown．
The students are sweeping the ________(fall)leaves．
The news was so ________(encourage)that all of us jumped with joy．