——Mum, I can’t  help _____ some housework tonight. There’ll be a football match.
—— All right.
A  doing    B  done    C  do     D  did

The digital dictionary I had        the other day cost me a lot.

____ up in the countryside, Jimmy wasn’t used to ___ with his parents in the city.

Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.

Sir, do you have anything _________ this afternoon? If there is nothing to do, I wonder if I can ask for a leave．

_______ in the war, many children have become orphans(孤儿).

"We can’t go out in this weather," said Bob, ________ out of the window.

Don’t worry, the guide will tell you how to avoid ______ ill while travelling.

Rather than ________ abroad with her parents, she preferred __________ volunteer work during the holiday.

The experts advised ____________ our army ____________ modern weapons.