With all my attention _______ my homework, I didn’t even notice my father standing by me. 
#90970
A
to fix on
B
fixed on
C
fixing on
D
to be fixed on
推荐题目
. With the weather conditions   , they flew to London immediately.
#91548
A
considered
B
considering
C
to consider
D
to be considered
The boys and girls were happily making a snowman, _______ with cold.
#91230
A
their faces red
B
their faces were red
C
their faces turned red.
D
their faces to be red