E-mail, as well as telephones, ________ an important part in daily communication.
I’m sorry, but I didn’t mean to keep you waiting here for a long time. Can you______ me?
You __________be tired—you’ve only been working for an hour.
Walking around, I found the city was full of people__________ for the festival.
We hadn’t planned to meet. We met ________ chance.
-----How do you like the plan? ------______.