Landing safely in bad weather is a _______ task for any pilot, and even the smallest error can lead to a disaster.
#17896
A
tricky
B
secure
C
significant
D
easy
推荐题目
 His failure made his father think him a ___________ boy.
#34832
A
disappoint
B
disappointed
C
disappointing
D
disappointment
 When the policeman stopped us, we all looked questioningly at him, ________.
#17692
A
nervously and puzzled
B
nervous and puzzling
C
nervous and puzzled
D
nervously and puzzling