When ______ for a formal meal, you should dress smartly.
A. invites
B. invited
C. invite
D. inviting
查看答案
_______ you’re a policeman, you should have the responsibility to protect citizens.
Although
B. Therefore
C. Though
D. Since
He acts as if he __________ me.
A. known
B. know
C. knew
D. knows
She talked about Tibet as if she ________ there before.
A. been
B. had been
C. has been
D. was
She said: “________ I were a boy.”
A. even though
B. if only
C. only if
D. even if
微信支付 
支付宝支付