________ I'm mistaken, I've seen that tall man at a party before.
#30252
A
If
B
As
C
Unless
D
When
推荐题目
Mother was busy washing dishes ________________ Father was watching TV.
#30098
A
until
B
if
C
since
D
while
How did you manage to get to school on time ______ you missed the school bus?
#79910
A
when
B
if
C
once
D
because
.We are taught that a business letter should be written in a formal style ____ in a personal one.
#34803
A
less than
B
other than
C
better than
D
rather than
