Nobody could have guessed, in those days, the place in history that Martin Luther King, Jr ____.
| A．was having | B．was to have | C．had had | D．Had |
The government has raised the tax on urban building (房产税) with the ______ of controlling the price of buildings.
| A．intention | B．introduction | C．purpose | D．development |
It is the photo we took years ago __________ we were at university_________ often calls up my memories of my college life.
| A．that; that | B．when; where | C．when; that | D．that; where |
—Would you come to our home for a chat right now?
—Cool, _________.
| A．when convenient | B．if you are convenient |
| C．if convenient | D．when you are convenient |
Those citizens who love _________ nature told us that a lot of precious plants in Mount Jinyun stood in _______ danger.
| A．a; a | B．the; the | C．/; the | D．/; / |
— ________ David and Vicky ________ married?
— For about three years.
| A．How long were; being | B．How long have; got |
| C．How long have; been | D．How long did; get |