He is only too ready to help others, seldom, ____, refusing them when they turn to him.[ ]

Could we see each other at 9 o’clock tomorrow morning—Sorry, let’s make it________time.

To work at homehas been made _____ with the development of the Internet.

I was too busy at that time, ________ I would have given you a hand.

What’s up You look so happy．—I just______Jane, an old school friend of mine, in Pingjiang Road.