With all my attention _____ my homework, I didn't even notice my father standing by me.
#93717
A
to fix on
B
fixed on
C
fixing on
D
to be fixed on
推荐题目
I prefer taking exercise in my spare time __ healthy.
#93544
A
to keep
B
to keeping
C
rather than keeping
D
rather than keep
I'm pleased to see the problem _____ so quickly.
#98336
A
settled
B
having been settled
C
be settled
D
settle
Rose found her toy bear _______ under the chair.
#95343
A
hiding
B
to hide
C
having hidden
D
hidden
Studies show that daydreaming contributes significantly to concentration powers and the ability _____ with others.
#94193
A
communicating
B
to be communicated
C
to communicate
D
to communicating