I've decided to keep all these stamps as they might be ________ some day.(2012·天津联考)
#25109
A
of great value
B
much valuable
C
of many value
D
very valuable
推荐题目
People hold Dragon-boat races __________ Qu Yuan on the 5th of the fifth lunar month.
#27005
A
remembering
B
liking
C
in memory of
D
in the memory
If you keep on,   you’ll succeed ________. 
#28820
A
in time
B
at one time
C
at the same time
D
on time
.A ________may be given ____means of flags, lights, and guns.
#69309
A
sign; by
B
signal; in
C
signal; by
D
sign; in