_ properly, a car can be used for many years.
#90465
A
Maintained
B
Maintaining
C
To be maintained
D
To maintain
推荐题目
Whenever she saw the young man, she would feel her heart __________. 
#96079
A
striking
B
beating
C
hitting
D
knocking
He sat back on the chair, took a book and began to read, ___.
#98636
A
being looked at ease
B
looked rather at ease
C
to look rather at ease
D
looking rather at ease
I’m sorry I can’t help ____ the flowers, because I’m busy preparing for the singing competition ____ tomorrow.
#91816
A
watering; to be held
B
water; being held
C
to water; held
D
water; to be held
Though ________ to see us,  the professor gave us a warm welcome.
#88286
A
surprising
B
was surprised
C
surprised
D
being surprised