All his time _______research on Chinese history, he has no time for outdoor activities.
#91209
A
devoted to do
B
devoted to doing
C
devoting to doing
D
is devoted to doing
推荐题目
 _____________ on the portrait, mother was deep in thought.
#91328
A
Fixed her eyes  
B
Her eyes are fixed
C
Her eyes fixing  
D
With her eyes fixed
_____ the misunderstanding removed, the two old friends ______ happily.
#91277
A
As, took up
B
Because, put up
C
Although, brought up
D
With, made up
With so many orphans ________,the charity organization calls for more donations.
#91444
A
to be looked after
B
being looked after
C
to look after
D
looked after