I am sure he didn't break the plate ______ purpose.

I came on Monday at ten o'clock .......... the morning.

If you have ever watched television, you have seen plenty .......... drug advertisements.

I'm not acquainted (at/in/with/of) those flowers.

It was very kind_________ you to give up so much of time to help me.

He was successful (in/with/of/to) his job.

That fashion magazine is full ___________ advertising for women’s clothes.

The children are really excited _____ their summer vacation.

These photographs were taken _____ a friend of mine.

Don't you think you should try to be friendly ... your classmates?

I was disappointed ________ the grade I received on my last essay. 

When are you leaving ......... Singapore? This week or next week?

John missed a lot of lessons. He was ill _____ January to March.

Are you going away .......... the beginning of August or .......... the end?

The police blamed the mother____ neglecting her child.

We are present (at/in/to/of) the lecture yesterday.

The gloves aren't very suitable .......... that kind of work.

He walked .......... the room .......... which we were sitting.

We’ll buy a smaller house whenthe children have grown____________ and left home.

Mary doesn’t mind living ____________ her own.

He stayed home .......... the rain.