-- Lisa was seen ______ an old man go across the street this morning. --What a kind girl she is! 
#44478
A
helping
B
helped
C
to help
D
helps
推荐题目
She said her hand was _____, but that was only _____ excuse.
#44503
A
hurted; a
B
hurted; an
C
hurt; a
D
hurt; an
Sir, you should ________ at the red light, but you didn’t.
#44879
A
stop
B
have to stop
C
have stopped
D
not have stopped
—When _________ the car _______ ?—Sorry. I don’t know.
#44961
A
does; invent
B
did; invent
C
was; invent
D
was; inventing
The mayor is happy to find that many trees _______ in our city last year. 
#44369
A
plant
B
were planted
C
planted
D
are planted