There is no _____ that taking regular physical exercise is good for your heart.

 I don't think the charge for overhauling （大修）the equipment is excessive in _____ to its size.

 Miss Smith is a friend of________.

She offered a (an) ______ 500 yuan for the return of her lost wallet because there are many important things like ID card and keys in it.

I’m told that you are going to Canada to have a three month further study. Don’t let such a good chance to improve your English _____ through your fingers.