二、单项填空（共15小题；每小题1分，满分15分）

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21. My grandfather has sent me _____ e-dog as my birthday present.

A. a             B. an             C.  /              D. the

22. --Which would you like, a cup of tea or a glass of milk?

-- ______. I think I'll just have a glass of water.

A. Both         B. Neither         C. None             D. Either

23. –Which do you think is ____ important, air tank, space suit or digital camera for an astronaut?

   --I think the digital camera.

A. less          B. the most        C. more             D. the least

24. Do you know ____ will repair the robot that went wrong?

A. whether      B. where          C. who               D. why

25. Amy prefers ____ at home to ____ out at the weekends.

A. staying; going   B. stay; going    C. staying; go          D. stay; go

26. ---Why not come and join us in the game, Linda?

--- __________, but I have something to discuss with Mr. Smith at his office now.

A. Let's go    B. I'd like to         C. Yes, please        D. It's a pleasure