When children start smoking, they don’t realize that they are risking_____ their health.
| A．to damage | B．damaging | C．to be damage | D．being damaged |
.
When you are driving on this road, you have to limit your speed _____ 60 miles per hour.
| A．in | B．at | C．to | D．below |
.
—What do you mean. There are only ten tickets?
—There ______ be twelve.
| A．should | B．would | C．will | D．shall |
.
Jane is said _______ an opera singer in her youth.
| A．being | B．to be | C．to have been | D．having been |
.
It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.
| A．/; that | B．where; which | C．/; where | D．what; which |
.
The boy who was caught ________ in the examination room will be punished by the teacher.
| A．cheat | B．cheating | C．to cheat | D．cheated |