Mary always take good care__________ her children.

What did Mr. Brown die ..........?

She burst .......... tears.

He insisted ______ taking us dinner.

Clean air is necessary ........... our health.

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

I'm very sorry ............. what I have done.

We started our journey ______ foot.

I keep sneezing because I got wet_________ the way home yesterday.

Someone left a box in the garden and I fell .......... it in the dark.

He has waited _____ her for a long time.

They prevented me______ entering the house.

Clearing forests for timber has resulted ....... the loss of biodiversity.

She prefers carnations __________roses. In fact, she dislikes roses.

There were .......... 100 people at the meeting.

If you want to lose weight, you must go ___________ a diet.

We just rested _________ a short time.

This town is famous _________ its hand-woven carpets.

Did you have a good time _____ Christmas?

Do you believe _______ ghosts?

According ..... Bill, there's something wrong  ........ my computer.