She________have been to your house. She doesn't know your address.
A.mustn't |
B.shouldn't |
C.might not |
D.can't |
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 |
It is no______arguing with Bill because he will never change his mind。
A.use | B.help | C.time | D.way |