He didn't want to see anybody, so he spent six hours ________ in the small room.
| A．locked | B．to lock |
| C．locking | D．being locked |
It was _____ great shock to the world that two planes crashed into _____ World Trade Center in New York on September 11th, 2001.
| A．a; / | B．a; the | C．the; the | D．/; the |
The WTO cannot live up to its name _____ it does not include a country that is home to one fifth of mankind.
| A．as long as | B．while | C．if | D．even though |
------- How are you today ?
------- Oh, I ______ as ill as I do now for a very long time .
| A．didn’t feel | B．wasn’t feeling |
| C．don’t feel | D．haven’t felt |
I’ve worked with children before, so I know what ______ in my new job.
| A．expected | B．to expect | C．to be expecting | D．expects |
--------Why don’t we take a little break ?
-------- Didn’t we just have ______ ?
| A．it | B．that | C．one | D．this |