You should keep working hard ________ you have passed the exam.
#37472
A
if
B
because
C
when
D
even though
推荐题目
There is _____ pollution in the world. We must stop it.
#43631
A
much too
B
too many
C
many too
D
too much
The ________boy is playing chess with his grandfather.
#40108
A
8-years-old
B
8 years old
C
8-year-old
D
8 year old