27、It’s said that those kinds of clouds________an earthquake, but in fact, that’s not always true.

    A．predict              B．advise                C．forecast             D．indicate

26、After everybody took their ________ seats, the meeting began.

    A．common            B．general               C．usual                  D．ordinary

25、We were shown around two ancient cities, _________ Nimes and Arles.

    A．such as             B．for instance        C．namely               D．for example

24、After several hours’ drive, we reached _________ we thought was ________ we’d been.

    A．where; what      B．where; where       C．that; where          D．what; where

23、Some birds fly __________ in winter and some stay in the north.

    A．south               B．the south           C．in the south         D．to south

22、C

21、The computers system _______ suddenly while he was searching for information on the internet.

20、The pilot asked all the passengers on board to remain _______ as the plane was making a landing.

19、Don't worry that you have not enough cash. The bill ______ by cheque or by credit card.

18、Can I smoke here?

--No, _________ at no time in the library.

A. smoking permits          B. smoking does permit

C. smoking is permitted    D. smoking permitted