I can't believe you made the life-like cat out of paper.How _______ you are!（ ）
| A． |
loyal |
B． |
creative |
C． |
helpful |
D． |
organized |
Blue whales are ． We should try to protect them．（ ）
A．in timeB．in publicC．in danger
﹣ does Liu Chuanjian do？
﹣He's a pilot of Sichuan Airlines． He's a hero!（ ）
A．WhatB．WhereC．When
﹣I tried many ways to solve the problem， but of them worked．
﹣Never give up． You' ll surely make it．（ ）
A．allB．noneC．neither
Tony is the best student in the class because he works than the others．（ ）
A．hardB．harderC．hardest
﹣Must I hand in the survey on the use of bicycle﹣sharing right now？
﹣No， you ．（ ）
A．needn'tB．can'tC．shouldn't