They're doing ...... into the causes of swine flu.

Bacteria is to ..... as feet is to foot.

Walking for half an hour every morning is a good exercise to ..... calories.

Strong .......... must be kept away from children.

He gave me ...... advice that helped me a lot in my life.

One who does ....... business is dishonest.

Keep his plan ...... wraps. Never tell anyone.

When her son returned home, she ........ her arms around him and cried in happiness.

My cold ............ well to this antibiotic.