Mr. Wang made up his mind to devote all he could______ his oral English before going abroad .
#12446
A
improve
B
to improve
C
improving
D
to improving
推荐题目
The new bridge is ________ the one built last year. 
#14048
A
three times as wider as
B
three times the width of
C
three times the width
D
as three times as
________ children whose parents had died in the earthquake________ sent to live with families in other cities.
#13691
A
A great number of ; was
B
The great number of ; was
C
A great number of ; were
D
The great number of ; were