Properly _______ with numbers, the books can be easily found.
#97433
A
marked 
B
mark  
C
to mark  
D
marking
推荐题目
Someone took away my umbrella, I’d never expect it _______.
#96387
A
returning
B
to be returned
C
return
D
to returning
America is an ________ country.
#97678
A
English-spoken
B
spoken-English
C
English-speaking
D
speaking-English
Only ________ according to the directions can the medicine be quite effective.
#89142
A
taking
B
taken
C
being taken
D
having been taken