__________ the housing price, several measures have been adopted in the last two years.
| A．Lowering | B．Having lowered |
| C．To lower | D．To have lowered |
The author used to be a doctor but later gave up the ______ of medicine for full-time writing.
| A．prescription | B．procedure | C．treatment | D．practice |
—Can I help you with your heavy box.
— ____________.
| A．That’s very kind of you |
| B．With pleasure |
| C．You can, please |
| D．Ok |
_________ they were here now, we would be able to celebrate their wedding anniversary.
| A．Only if | B．If only | C．Because | D．When |
Mr. Li, a man calling himself Smith wants to see you. ________ he come in?
| A．Should | B．Can | C．Shall | D．Will |
In many countries, government reports, legal papers and most business letters are the main situations _______ English is used.
| A．that | B．when | C．which | D．where |