Finding information in today's world is easy.The ________ is how you can tell if the information you get is useful or not.
| A．knowledge | B．ability |
| C．competition | D．challenge |
--Look! The light in the study is still on.
--Sorry, I forgot __ it off.
| A． turning | B． turn | C． turned | D． to turn |
The ________ temperature of the human body is about 37 degrees centigrade.
| A．common | B．general | C．normal | D．Ordinary |
The only thing __________ we should do now is try our best to prepare for the Academic proficiency test.
| A．what | B．that | C．all | D．which |
Mr. Liu insists that the price of petrol _____ too high and that he ____ his car.
| A．is, sells | B．should be, should sell | C．is, should sell | D．should be, sells |
What a pity! I missed the concert _______ Jay Chou and Jolin Tsai performed songs in our city last week.
| A．which | B．at which | C．that | D．When |