根据句意,用所给单词的适当形式填空。
She finished ________(write)a letter.
Mike plans ________(have)an interesting vacation.
The clever girl could cook the meal for _________(she)at the age of six.
Jim __________(hurt) his leg when he was playing football.
The lazy boy had problems ___________(learn)English.
There are two ___________(knife) and two forks on the table.
My parents asked me __________(not play)computer games.
We have to put off __________(have)a party because of the heavy rain.
__________(work)in an old people's home is very meaningful.
We can train animals to help ___________(able)people.