Wait a moment, I have _______ to tell you.

ught with her three friends, none of ______ I had ever met before.

Do you know where the manager lives?—Yeah, but I have to _____ the telephone book for his address.

It’s polite to__________ the door first before you go into someone else’s room.

15.—Will you go to the party tomorrow， Xiao Hai？ —No, ____ I was invited to