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
—What is your plan for the holiday?—I’d like _______the days with my family ________climbing. 
#94702
A
to spend; going
B
to spend; to go
C
spending; going
D
spending; to go
 Now I regret ______ those weight-loss pills. 
#90553
A
took
B
taking
C
taken
D
to take
They enjoyed _____ a wonderful evening at the Country Club.
#98395
A
spent
B
to spend
C
spending
D
spend
---The last one ______ pays the bill.--- Agreed.
#95393
A
arrived
B
arrives
C
arriving
D
to arrive