— Have you apologized to Mr. Jack?
— I’d shoot myself_______ I apologize to him.
| A．after | B．when | C．before | D．as soon as |
We waited _______ for the bus.
| A．long time | B．a long time | C．the long time | D．some long time |
The first textbook _______ for teaching English as a foreign language came out in the 16th century.
| A．having written | B．to be written | C．being written | D．written |
Careless driving _______ a lot of highway accidents.
| A．affects | B．makes | C．causes | D．results |
We won’t give up _______ we should fail ten times.
| A．even if | B．since | C．whether | D．until |
In some parts of the world, tea _______ with milk and sugar.
| A．is serving | B．is served | C．serves | D．served |