Since then, more than 2 billion apps have been downloaded at prices ________ free to $900.

A. ranging between     B. ranging from         C. rang between                      D. rang from

With my hand-held Reader, I’ve read more books in the past six months than I ________ in the past six years.

A. doing                               B. did                                             C. have                                          D. do

You should never base anything on a theory that _________ impractical in practice. 

A. is proved        B. prove            C. proves            D. proved

 — ________ he ________ anything about this historic site?

   — Yes. That’s why he suddenly becomes so obsessed with it.

A. Has; read          B. Does; read        C. Did; read        D. Had; read

 Was it midnight ________ the fire broke out?

A. when        B. that        C. which            D. at which

After the summer camp, I realized I wanted to take a route ________ I could use English all the time.

A. that           B. which               C. /            D. where

 You _______ have washed the dishes. I would’ve put them in the dishwasher.

A. shouldn’t         B. wouldn’t        C. couldn’t   D. needn’t

         ________ away from people who try to belittle(????) your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.

A. Keeping           B. To keep         C. Kept           D. Keep

If Lu Xun were a contemporary writer, I can’t guarantee that he ________ laughed at by readers, as most young people don’t appreciate his writing style.

A. isn’t         B. is      C. wouldn’t be        D. would be

Mark Twin’s own story is as memorable as _______ he imagined.

A. that              B. those                      C. one                                            D. it