Please remember to remind them that the products inside are ________ and must be handled with great care.
#18687
A
smooth
B
heavy
C
flexible
D
fragile
推荐题目
 Jack is late again. It is ____ of him to keep others waiting.
#19504
A
aggressive
B
appropriate
C
desperate
D
typical
Math is_______ mathematics. 
#20289
A
short for
B
in short
C
short
D
shortage