As we know, Jean is a       investor(投资者)who studies the market before he buys things. 
#19497
A
lucky
B
cautious
C
patient
D
generous
推荐题目
I need one more stamp before my collection _______.
#20728
A
has completed
B
completes
C
has been completed
D
is completed
The students seemed ____ , so I repeated the ______ question. 
#19702
A
puzzled, puzzling,
B
puzzling puzzled,
C
puzzling puzzling
D
puzzled, puzzled