The students _______ busily when Miss Brown went to get a book she _______ in the office.
Don’t touch _______ live wire, or you will get _______ shock.
When the news came ___ the war broke out , he decided to serve in the army.
The prize will go to the writer ___story shows the most imagination.
Every boy and every girl ___ to attend the English evening party to be held on Saturday.
--Pity you missed the lecture on nuclear pollution.-- I ___ it, but I was busy preparing for a job interview.