Math is boring and difficult.
#35947
A
of
B
too
C
any
D
some
推荐题目
They are going to have a picnic _______ next week.
#35213
A
sometime
B
some time
C
sometimes
D
some times
—Have you finished your homework ________? --Not ________. I was playing computer games.
#35064
A
yet ,already
B
already ,yet
C
yet, yet
D
yet, yet
We __________ used (使用) computers many years ago, but now they’re everywhere.
#35581
A
always
B
often
C
usually
D
hardly ever