(2013·沈阳二中模拟)She devoted herself________to her research and it earned her a good reputation in her field

country, ________ Britain,it has been said, can one experience four seasons in the course of a singleday

My laptop computer, ____ I can’t go on with my work, broke down the other day.

－Can I go to the hospital to see Grandma now－No, you can’t. It’s _________the visiting hours. Let’s see Grandma tomorrow. She won’t mind that.

The first thing I’m going to do is to send an e-mail to Peter.