Math is boring and       difficult.
#35947
A
of
B
too
C
any
D
some
推荐题目
He often gets up very late. He _________ takes exercise in the morning. 
#35305
A
always
B
usually
C
hardly ever
D
quite often
He _____ has time for concerts, does he?
#36036
A
hard
B
hardly
C
already
D
ever
I find this computer game ______ to play.
#35998
A
enough easy
B
easy enough
C
enough easily
D
easily enough