---What’s made Ruth so upset?--- ______ three tickets to the folk music concert.
By the time he realizes he _____ into a trap, it'll be late for him to do anything about it.
—Shall I keep an eye on your house when you are on holiday?— .
An accident happened at______ crossroads a few metres away from ____bank.
May I keep the book for another day? I hope to finish reading the ___ part of it today.
Machines help peole do ___ work with ___ time.