The computer system suddenly while he was searching for information on the Internet.
| A．broke down | B．broke out | C．broke up | D．broke in |
——Don't you think it's going to rain over the weekend?
——_______.
| A．I don't believe | B．I don't believe it | C．I believe not so | D．I believe not |
I found my home town completely ______.
| A．changed | B．changing | C．to be changed | D．to change |
Tom failed ______ the experiment yesterday.
| A．doing | B．did | C．to do | D．do |
The world is _______ seven continents and four oceans.
| A．made up of | B．made out of | C．made from | D．made in |
Japan is an ______ industrial country.
| A．advancing | B．advanced | C．to advance | D．to be advanced |