One person was killed on the spot and three ________ received minor injuries.
| A．ones | B．another |
| C．others | D．the others |
_______ I made a speech in front of so many people, I felt quite nervous.
| A．The first time when | B．For the first time |
| C．By the time when | D．The first time |
______ you look at it, the fast, exciting pace of life in New York city is fascinating and will continue to fascinate more and more people.
| A．How | B．What | C．However | D．whatever |
______ reduce pollution，the government has made a policy to restrict the use of plastic bags in some areas．
| A．In order that | B．So as to | C．So that | D．In order to |
The boy always spent the whole day ______ in the room reading English during the holiday.
| A．locking | B．having locked | C．being locked | D．locked |
Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.
| A．before | B．once | C．until | D．unless |