According to Bill Gates, the idea ________ we can play video games and receive E-mails without sitting at a keyboard will come true. However, it is unclear ________this kind of computer will be on sale and ________ it will cost.

A. which; that; what 　 B. 不填; whether; how much

C. that; when; what 　 D. that; that; how much

According to Bill Gates, the idea ________ we can play video games and receive E-mails without sitting at a keyboard will come true．However, it is unclear ________ this kind of computer will be on sale and ________ it will cost．

1. A.
   which; that; what
2. B.
   不填;whether; how much
3. C.
   that; when; what
4. D.
   that; that; how much

According to Bill Gates, the idea ________ we can play video games and receive e-mails without sitting at a key-board will come true.

1. A.
   which
2. B.
   when
3. C.
   that
4. D.
   how

According to Bill Gates, the idea ________ we can play video games and receive e－mails without sitting at a key－board will come true.

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