She will tell us why she feels so strong that each of us has   a role________in making the earth a better place to live in.
#88442
A
to have played 
B
to play
C
to be played  
D
to be playing
推荐题目
______ a good result,the professor decided to do the experiment once more.
#97292
A
Not getting
B
Getting not
C
Not having got
D
Having not got
Once _____ , the machine will keep running.
#94334
A
start
B
started
C
to start
D
starting
The woman ____there under the tree, ____ in a blue shirt, is our headmaster.
#88651
A
sitting; wearing
B
sitting; dressed
C
seating; dressed
D
seated; dressing