_________you have a rich knowledge of Chinese history, try acting as a guide for these foreign visitors.
#31038
A
Unless
B
Though
C
Now that
D
Ever since
推荐题目
---Did you wait for him long? ---No, I hadn’t waited long _______ he appeared.
#33716
A
unless
B
until
C
before
D
since
Alice’s father always brings her a nice gift he returns home from his business trip.
#32690
A
by the time
B
at the time
C
every time
D
in the time
I think everyone should donate blood _____ he is healthy because that’s a citizen’s responsibility.
#31890
A
as if
B
as long as
C
now that
D
in order that
Never let your mind wander when driving, ______ a car crash is probable.
#79847
A
but
B
so
C
because
D
or
I was so familiar with him that I recognised his voice ____I picked up the phone.
#31774
A
while
B
the moment
C
after
D
in case