1.He has made another wonderfp discovery, _____ of great importance to science.
A.which I think is
B.in which I think it is
C.which I think it is
D.of which I think it is
2.As far as she is concerned, one piece of music is very much like
3.The manager gave her his _____ that the complaint wopd be investigated.
4.He is very _____ and well-qualified, so he shopd reach the top of this profession.
5.He read the story _____ - for everybody present to hear.
6.You've only got a slight cold. You'll _____ it in a day or two.
7.To begin some activity is to _____ doing it.
8.How can you _____ and watch the country go to ruin?
D.stand up for
9.Edison tested more than one thousand materials to see if they copd _____ electric ; current and glow.