He has been absent ________ class for quite a long time.
| A．in | B．for | C．with | D．from |
The U.S. official said North Korea --- and Iran --- should follow in the steps of Libya, which last December said it would work__________ to allow international weapons inspectors to do their work.
| A．unconditionally | B．unwillingly | C．unfortunately | D．uncomfortably |
E-mail , as well as cellphones, _____an important part in daily communication.
| A．have played | B．play | C．are playing | D．is playing |
This kind of storiesinstructive while stories of that kindharmful to children.
| A．is; seems | B．are; seem | C．is; seem | D．are; seems |
We have reached a stage _________we have almost no rights at all.
| A．where | B．why | C．which | D．that |
The little boy_____be very naughty, but he is very lovely.
| A．must | B．should | C．can | D．shall |