If you want to see a doctor, fix the date with him ahead of time. This is a common ___________ in the USA.
A. habit B. law C. rule D. custom
The birth planning policy allows my parents to have a second child because of my disability, but to look after me, they chose ________.
| A．not to do | B．not to have |
| C．not to | D．to not have one |
In the eastern part of New Jersey ________， a major shipping and manufacturing center.
| A．the city of Elizabeth lies there |
| B．around the city of Elizabeth lies |
| C．there lies the city of Elizabeth around |
| D．lies the city of Elizabeth |
We all see Deng Chao's performance skills, yet little ________ attention to his singing talent.
| A．do we pay | B．we paid |
| C．had we paid | D．we have paid |
It is no good to be poor in a beautiful environment, ________ good to be welloff but live with environmental problems.
| A．so is it | B．so it is |
| C．nor it is | D．nor is it |
Oh, much smoke here! Somebody ________ the window, please.
| A．opens | B．open |
| C．shall open | D．will open |