. She made a promise _______ anyone could save her life, she would give him all her wealth.
| A．which if | B．that if | C．that | D．if |
Put the_______of your tongueagainst your upper teeth when you produce the sound。
| A．tip |
| B．top |
| C．peak |
| D．pole |
At the meeting they discussed three dif-ferent_______to the study of mathematics。
| A．approaches | B．means | C．methods | D．ways |
T0 make members 0f a team performbetter,the trainer first of all has to know their_______and weaknesses。
| A．strengths |
| B．benefits |
| C．techniques |
| D．values |
When Jane began to take swimminglessons,her main_______was the fear of water。
| A．evidence | B．crisis |
| C．obstacle | D．danger |
Finding information in today’s world is easy．The_______is how you can tell if the information you get is useful or not。
| A．ability | B．eompetition | C．challenge | D．knowledge |