. Will you please keep quiet now? You shouldn’t talk until ________ to.
| A．asking | B．having asked | C．to ask | D．asked |
______ is know to us all, good friends ______ happiness and value to our life.
| A．It; add | B．As; add up | C．It; add up | D．As; add |
Letterboxes are mu
ch more _______ in the UK than in the US, where most people have a mailbox instead.
| A．common | B．ordinary | C．normal | D．usual |
I’m certain David’s told you his business trouble. ________, it’s no secret that he owes a lot of money to the bank..
| A．However | B．Anyway | C．Therefore | D．Though |
Every one, please remain________ ; the winner of the prize will be announced soon.
| A．seating | B．seated | C．to seat | D．to be seated |
-----Could you send me an application for the TOEFL test?
-----________. What’s your name and address?
| A．Yes, I could | B．Just a moment | C．That’s right | D．No problem |