Choose A, B, C, or D to complete the following sentences.
91. Should I find your camera .......
A. I will bring it round to your house
B. I could bring it round to your house
C. I would bring it round to your house
D. I brought it round to your house
92. Were we to buy a computer ........
A. I could have learnt something about the Internet
B. we could have sent more e-mails
C. we could be able to write e-mails to friends
D. I'll write e-mails to my friends
93. Had I known how useful mobile phones were
A. I had got one a long time ago
B. I would have got one a long time ago
C. I'd like to get one as soon as possible
D. I let you get one a long time ago
