We benefit greatly ____________the medicines and other products that biodiversity provides.

The pens made___________ plastic are very cheap.

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

She returned ____ China after spending much time abroad.

Reviewers describe books _______ “hard-to-put-down”, or “hard-to-pick-up-again”.

The government is trying to make the country safe _____ terrorist attacks.

.......... the past, people did a great deal of work by hand.

The new manager's name is familiar _____ most of us.

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

I turned ____________ their offer because they weren’t going to pay me enough money.

When you pick _________a book for the first time, check that it is not too difficult.

I like to shower in the morning, but my roommate likes to shower ____ night.

This movie is based ________ a true story.

_____ the children left, the house was very quiet.

I prefer coffee______ tea.

I work hard .......... help my family.

Don't put ____ until tomorrow what you can do today.

My daily expense are just about equal ............ my income.

His opinion is different _____________ mine.

I don’t approve ________ your smoking. I wish you would give __________ that habit.

_______ the game last evening, my cousin hurt his ankle.