The aging population _____ each day .There must be some kind of interesting activity for the old.
| A．has grown | B．grew | C．will grow | D．is growing |
Helen has got＿＿＿it takes to be a great tennis player．In other words, she has the potential to become world famous.
| A．how | B．what | C．when | D．that |
Eat-up Campaign has become＿＿＿ hot topic, calling for people to take＿action against waste
| A．a;／ | B．a; an | C．the;／ | D．the; an |
.一Would you like to join us is the football game?
一＿＿＿，for I have a lot of work to do.
| A．I won't | B．I'd like to | C．I will | D．I'm afraid not |
My father did buy the CD, ________ he actually doesn’t appreciate the music in it at all.
| A．so | B．because | C．while | D．or |
–Are you available at 3 tomorrow afternoon?
--Sorry, I ________ a meeting at that time.
| A．am having | B．will be having | C．will have | D．have |