What ______ the doctors most was that they could not find the cause of the disease.
#20600
A
astonished
B
puzzled
C
surprised
D
amused
推荐题目
 His test results are not very _____. He does well one week and badly the next.
#20507
A
invariable
B
consequent
C
continuous
D
consistent
Grandpa is old, but he is still very ____.
#20612
A
living
B
alive
C
strong
D
younger