Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.
| A．is changing | B．has changed |
| C．will have changed | D．will change |
Large quantities of information＿＿＿since then as to how the program has worked.
| A．has been offered | B．were offered | C．have been offered | D．was offered |
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 |