He was busy writing a story，only _________ once in a while to smoke a cigarette．
#98279
A
to stop
B
stopping
C
to have stopped
D
having stopped
推荐题目
The wild flowers looked like a soft blanket _______the desert.
#95615
A
covering
B
covered
C
cover
D
to cover
.A small plane crashed into a hillside five miles to the east of the city, _____ all on board.
#97169
A
killed
B
killing
C
kill
D
to kill
Could you show me the TV set you’d like ________?
#95710
A
to have repaired
B
repairing it
C
to have it repaired
D
to repair it
As time went by, the plan he stuck ____ fairly practical.
#92025
A
to proved
B
to proving
C
proved
D
to be proved
Whenever I was in trouble, he would do what he could ________ me.
#92620
A
help
B
helping
C
tohelp
D
helped