— John, I called you yesterday morning, but nobody answered the phone. — Oh, I _________basketball at that time. A. play B. playing C. was playing
Do you have to say about your dog?
I haven't gone back to my hometown I left it in 1993.
When the passengers’ (乘客) families heard the bad news, they were _____ to stay calm.
Which of the following signs means ‘Don’t drop litter’?
—— It was great fun to be a volunteer, wasn't it? —— Yes. That'sexperience hard to forget.