--- Shall I phone the hotel for information? --- There is no need. Sarah said that she would _______ for the weekend.

The government has been under growing pressure to ________ the causes of air pollution as smog frequently smothers the country’s large cities.

Although he was______in a single-parent family, he is a warm-hearted and out-going boy.

The emergency center is in great need of O-type blood，but there is__________ at hand.

— John, don’t waste any time and there’s only 25 minutes left before the train leaves.— Don’t worry, mum. I think I can ______ it.