The time and effort he has devoted during the past few years ______ trees in that remote area is now considered to be of great value.
#95651
A
plant
B
planting
C
to plant
D
to planting
推荐题目
At the routine office meeting, the headmaster insisted that the problems _________ paid special attention to.
#96355
A
referred to being
B
referred to be
C
refer to being
D
refer to be
_____herself wondering whether she had made a mistake, she felt embarrassed and at a loss.
#98715
A
Catching
B
Caught
C
Being caught
D
Having been caught
_______ him this time is difficult.
#94024
A
To refuse
B
Refusing
C
Refuse
D
Refused