Miss Li ___ as a secretary for five years in the company, and now she is general manager of it.
#101680
A
has served
B
had served
C
served
D
serves
推荐题目
A new cinema ______ here now. They hope to finish it next month. 
#103437
A
will be built
B
is built
C
has been built
D
is being built
By the time the tornado ended, more than 700 people _________.
#103747
A
have killed
B
had been killed
C
were killed
D
had killed
 Every possible means ___ to prevent the air pollution, but the sky is still not clear.
#101596
A
is used
B
are used
C
has been used
D
have been used