30. – Why does the boss look worded?– Tom left the company a month ago and his work unfinished ever since.
#103900
A
has been left
B
was left
C
left
D
is leaving
推荐题目
—How did she get infected?  —She ____ the viruses without any protection.
#101750
A
exposed to
B
had exposed to
C
was exposed to
D
has exposed to
-Why does the Lake smell terrible? -Because large quantities of water       .  
#104968
A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
 Mrs. Green wants to buy that kind of cloth because she___________ that the cloth__________ very well.
#104868
A
has been told; washes
B
is told; is washed
C
has been told; is washed
D
is told; is washed