We must be off _____. It’s eight o’clock already.
| A．a moment ago | B．all of a sudden | C．in no time | D．all right |
After a short ________, I got my bag from the thief’s hand successfully.
| A．exchange | B．explanation | C．encouragement | D．Struggle |
Safety in school has been of great concern (关注) because of recent reports about accidents _____ students got injured or killed at school.
| A．for which | B．when | C．which | D．in which |
----Has the teacher who was hurt in the earthquake been taken good care of?
----Ever since she was sent to the hospital, she has never been _______.
| A．put out | B．left alone | C．looked after | D．fallen into |
Living in the central Australian desert has its problems, _____getting water is not the least.
| A．as | B．of which | C．whose | D．for what |
Mr. Tang enjoys writing in his spare time. His works have ______ him many good friends.
| A．earned | B．caught | C．discovered | D．introduced |