The police asked him to ______ what he had seen in a report.
We don't have enough books for________;some of you will have to share.
Children should not be encouraged to ________the electronic dictionaries as it will make them lazier.
—Have you ________food?—Yes,our food________,so we must buy some immediately.
We had a picnic last term and it was a lot of fun,so let's have ________one this month.
The book is of great value. ________can be enjoyed unless you digest it.