_________he is the son of the boss, he started from the lowest position as a common employee.
| A．Unless | B．Since | C．While | D．As |
Under no circumstances_____ his home turned into a battlefield between the forces of light and darkness.
| A．would he have | B．he would have | C．would have he | D．he would have had |
I lost sight of Wang Ping when we reached _____ looked like a large market because of too many carriages flying in all directions.
| A．that | B．which | C．what | D．where |
I wanted to park my car by the roadside, but a policeman came up and told me ____.
| A．not to | B．not to do | C．not do it | D．do not to |
It is a pity that the industrial cities _____ in the nineteenth century do not attract visitors.
| A．to be built | B．having built | C．being built | D．built |
Lisa enjoyed so much ____ she was on holiday in Japan last year.
| A．that | B．when | C．for | D．though |