—Why do you look worried?—Fred left the company half an hour ago. His work ________ unfinished since.
#104729
A
left
B
was left
C
has left
D
has been left
推荐题目
 Investment by Chinese companies in the US _____ rapidly in recent years.
#99065
A
was growing
B
has been growing
C
had grown
D
will be growing
In the last few years thousands of films         all over the word.
#102635
A
have produced
B
have been produced
C
are producing
D
are being produced