To be sure, the new cut in interest rate（利率）is _______ to improve economic performance in all these fields.

Our town________poor in the past,but great changes________in the town in the past three years[ ]

I can’t find my name on the list. Can I talk to your manager –Sorry, but my duty. I’ll contact her secretary.

If we can convince young people _____, they might then urge their parents and other people ____ smoking, too.

25Canada is one of the safest and most welcoming countries you will___________visit