A __________ is someone elected to speak on behalf of others.
| A．spokesperson or spokesman or spokeswoman |
| B．speakesperson or speakesman or speakeswoman |
| C．spokeperson or spokeman or spokewoman |
| D．speakeperson or speakeman or speakewoman |
Letterboxes are much more ________ in the UK than in the US, where most people have a mailbox instead．
| A．common | B．normal | C．ordinary | D．usual |
I’d appreciate _________ if you would like to teach me how to use the computer．
| A．that | B．it | C．this | D．you |
—What’s the name?
— Khulaifi．_______ I spell that for you?
| A．Shall | B．Would | C．Can | D．Might |
So difficult it to work out the problem that I decided to ask Tom for advice．
| A．I did find | B．I have found | C．did I find | D．have I found |
The rescue workers were working around the clock, ________ supplies to Yushu Qinghai Province after the earthquake．
| A．to send | B．sending | C．having sent | D．to have sent |