Columbus _________ the New World in 1492.
A．discovered B．found C．found out D．looked for
I’ll finish the job ____ I come across great difficulty.
A．however B．even though C．no matter D．as though
My brother wants to work in the factory which _________ now.
A．is building B．has been built C．is being built D．is to be built
He told me about the news in a voice.
A．amazing; surprising B．amazed; surprised
C．amazing; surprised D．amazed; surprising
It is a paradox（自相矛盾） that in a rich country there should be many poor people.
A．such; such B．such; so C．so; so D．so; such
We are living in an age many things are done on computer．
A．which B．that C．whose D．when
