Every morning Jack's wife will stand before the mirror, ________ carefully until she has to go to work.
| A．dressed | B．dressing |
| C．to dress | D．having dressed |
There is ____ Mr. Smith at the door who wants to speak to you.
| A．a some | B．certain | C．some a | D．a certain |
At a rough estimate, Nigeria is ____ Great Britain.
| A．twice big as | B．as twice big as | C．three times the size as | D．three times the size of |
Besides this, it also provides ______ other choices for its readers.
| A．a bit of | B．a great deal of | C．a large amount of | D．a large number of |
--Mr.Smith is very strict______his students,isn’t he?
--Yes,he is.He is strict______his work as well.
| A．with; in | B．in; about | C．in; with | D．with; about |
The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed ______ my memory.
| A．to | B．over | C．by | D．on |