___________ from space, the earth looks like a blue ball.
| A．To see | B．Seeing | C．See | D．Seen |
-Linda, shall we go and watch Holland Dafeng Flowers next month?
-_______ we have the tickets.
| A．If | B．Unless | C．Because | D．Since |
—Could you tell me__________ ? —Since 2010．
| A．how long has Yancheng BRT been in use |
| B．how soon will Yancheng BRT be in service |
| C．how long Yancheng BRT has been in use |
| D．how soon Yancheng BRT will be in service |
Many Chinese students think science subjects are _____ foreign languages.
| A．more difficult as | B．much difficult than |
| C．1ess difficult than | D．so difficult as |
-- Would you mind opening the window for me ? It’s so hot outside.
--________.
| A．Of course | B．Of course not |
| C．No, you can’t | D．Yes, please. |
This is the best way I can think of _______ you improve your spoken English.
A. help B. helps C. to help D helping