I was surfing the Internet my brother was doing his homework.
#55164
A
after
B
because
C
while
D
When
推荐题目
Johan didn’t review（复习） the lesson, ___ he couldn’t answer the teacher’s question.
#58129
A
as a result
B
such as
C
because of
D
as well as
--Would you like to go bike riding with us tomorrow? ---Sure, ____ I am busy.
#57365
A
since
B
unless
C
when
D
until
_______ Mr. Smith is not rich, ________he always gives money to the poor.
#56537
A
Although ; /
B
Although ; but
C
But ; although
D
Because; /