—You couldn't have chosen any gift better for me.—________
Scientists are convinced the positive effect of laughter physical and mental health.
If you really have to leave during the meeting, you’d better leave ____ the back door.
Let’s learn to use the problem we are facing ________ a stepping-stone to future success.
The house still needed a lot of work, but _______the kitchen was finished.
Modern equipment and no smoking are two of the things I like ____ working here.