—I have been waiting for you so long. —Sorry, I have been in the library, _______ my friend look for some books.
#94750
A
helped
B
helping
C
to help
D
help
推荐题目
The sad thing is _________the world-famous artist devoted his whole life _____, he only sold one painting before he died.
#97125
A
although; to painting
B
that; to paint
C
that although; to painting
D
although that; to paint
He tried to run away from the police and was charged with ____ arrest.
#98702
A
resisting
B
abrupt
C
hesitating
D
alternative
His parents both died in the traffic accidents, ________ him a lot of debts.
#95906
A
having left
B
left
C
to leave
D
leaving
It is universally that dogs have a good sense ofsmell.
#95724
A
acknowledged
B
acknowledging
C
to be acknowledged
D
knowledge
Volunteering gives you a chance ________ lives，including your own. (2013·北京，21)
#88739
A
change
B
changing
C
changed
D
to change