_______ with care, one tin will last for six weeks.
#94352
A
Use
B
Using
C
Used
D
To use
推荐题目
    around the lab, we were taken to see the library.
#95015
A
Being shown
B
Showing
C
Having been shown
D
To show
 The tower_____ in the 1800s is the oldest building in this area.
#90031
A
to be completed
B
being completed
C
completed
D
Completing