With his eyes ________ the work attentively, he didn’t know what was happening outside.
#91041
A
focusing on
B
focused on
C
fixing on
D
to fix on
推荐题目
 You have no idea how she finished the relay race ______ so much.
#91198
A
for her foot injured
B
when her foot injured
C
with her foot injured
D
while her foot injured
The murderer was brought in, with his hands _______ behind him. 
#91436
A
being tied
B
having tied
C
to be tied
D
tied
All her time __________experiments, she has no time for films.
#91114
A
devoted to do
B
is devoted to doing
C
devoted to doing
D
is devoted to do