The computer system _________suddenly while he was searching for information on the Internet.
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______ 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 |
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 |
All the neighbors think highly of this family, _________ the parents are treating their child like a friend.
| A．why | B．where | C．which | D．that |