Though flu is a      disease,it can cause death.
#20710
A
regular
B
normal
C
usual
D
common
推荐题目
 How cold it is! We’ve never had ______ this winter.
#19581
A
the colder day
B
a cold day
C
the coldest day
D
a colder day
It’s said that the old lady died ________.
#20524
A
happily
B
happy
C
happiness
D
of happiness
Friends should be_____ about each other’s feelings.
#18655
A
crazy
B
hidden
C
concerned
D
worried