the children had at the seaside during their stay in the country!
Rather than _______in the city, the old man would prefer______in the countryside.
Some audience(观众)_______that it usually takes too long to watch the ads during the TV series .
The football match will be put off ,if it______.
He decided not to attend her birthday party ______ he had been invited..
We haven’t got enough books for everyone to have one: some of you will have to ______.