Television has many advantages. It keeps us _____ about the _____ news and also provides entertainment in the house.
---Bob has gone to California.---Oh, can you tell me when he _________?(2011北京卷32)
When Alice came to, she did not know how long she _____ there. (2011新课标卷29)
He made a wonderful discovery, of great importance to science.A which I think is B. which I think it isC. which I think it D. I think which is
Come and see me whenever .A. you are convenientB. you will be convenientB. you will be convenientC. It is convenient to youD. it will be convenient to you
---Whose advice do you think I should follow?---