Making friends is not easy. Sometimes it can take years      you become true friends with someone.
#58274
A
before
B
after
C
because
D
Unless
推荐题目
---Did you hear the rain? ---______ .
#55536
A
Until 30 minutes
B
Until 30 minutes later
C
Not until 30 minutes
D
Not until 30 minutes later
I don’t like science _______ it’s difficult.
#55838
A
but
B
so
C
because
D
and