They are incapable ______ expressing themselves______ decent
English.

Nancy is engaged ______ a friend of mine.

The police are responsible ______ maintaining law and order.

I can’t stop to talk to you now. I’m a bit short______ time.

My problems are very similar ______ yours.

I was very impressed______ the lesson he taught.

Strong winds are expected to make roads hazardous _____ drivers
today.

I feel confident ______ the future of our country.

We are virtually immune ______ certain diseases which cause death
elsewhere.

Breathing asbestos-laden air may be hazardous______ health.

She is quite nice but I wouldn’t like to be married ______ her.

These days everybody is aware ______ the dangers of smoking.

I was delighted ______ the present you gave me.

I’m interested ______ chess but I’m not very good ______ it.