It makes good ________ to bring an umbrella; it seems to be raining today.

Having decided to rent a flat, we ________ contacting housing agencies in the city.

We are all concerned _______ her safety.

I was really anxious about you. You ______ home without a word.

Very few people understood this contract, ______ was very obscure.

Sickness often _______ eating too much.

Look at this group of people ______ beach volleyball.

If you are too ________ of your children, they will never learn to deal with difficulties in life.

The professor asked a question, and David ________ a good answer.

He would have given you more help, if he ________ so busy.