The students are listening to the teacher with their eyes          the blackboard.
#91148
A
fixing on
B
fixing to
C
fixed on
D
fixed to
推荐题目
The little girl sat at the door with her legs ___ and kept her eyes ___at the planes flying in the sky. 
#91297
A
crossed; looking
B
crossing; looking
C
crossed; looked
D
crossing; looked
______, his mother has to take care of him at home.
#91188
A
Being ill
B
He being ill
C
He is ill
D
His to be ill
The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.
#91050
A
has been launched
B
having been launched
C
being launched
D
to be launched