It’s nice to see you again. What_________ since we last met?
| A．have you done | B．had you done |
| C．have you been doing | D．did you do |
Scientists have many theories about how the universeinto being.
| A．came | B．was coming | C．had come | D．would come |
The majority of employers are planning to cut down on wages＿＿＿＿the economic crisis.
| A．by means of | B．in defence of |
| C．in reaction to | D．with regard to |
－prlfessor, do you have somethingat this moment?
－No,thanks.I'llcall you if there is any.
| A．typing | B．typed | C．to type | D．to be typed |
I’ve just seen no more than one copy of“ Gone with the Wind”in the bookshop opposite. Tom, go and buy ________ back.
| A．one | B．any | C．it | D．some |
Accounting is described as ________ science of classifying, recording and reporting ________ important financial events.
| A．an, the | B．a, 不填 | C．不填, 不填 | D．不填, the |