-Oh, my God! I can't find my key to the office.-Don't worry. Perhaps it _________ at your home.
#44778
A
left
B
has left
C
was left
D
had left
推荐题目
 Young trees____ quite often.
#44612
A
should water
B
should be water
C
should be watered
D
watered
After Nanjing Youth Olympic Games Park ________, it will become a new tourist attraction.
#44624
A
completed
B
has completed
C
is completed
D
was completed
The new teaching building ________ before the new term begins.
#44681
A
must be finished
B
must finish
C
must finished
D
must being finished
Today, computers are really helpful. They ____ everywhere.
#44613
A
use
B
are used
C
used
D
were used