______ some of the questions ______,the man said good-bye to us.
#99019
A
Leave;unanswered
B
Leaving;unanswered
C
Left;to be answered
D
Leaving;unanswering
推荐题目
Tom rushed out in a hurry, ______ the door ______.
#94189
A
leaving; unlocked
B
leaving; unlocking
C
left; unlocked
D
to leave; unlocking
The experiment shows that proper amounts of exercise, if  __  regularly, can improve our health.
#97485
A
being carried out
B
carrying out
C
carried out
D
to carry out