3.     He is teaching in his hometown now, but he________ in a hospital for 10 years. 
#104484
A
worked
B
has worked
C
had worked
D
has been working
推荐题目
--- what do you think of store shopping in the future?---- Personally, I think it will exist along with home shopping but___________.
#101327
A
will never replace
B
would never replace
C
will never be replaced
D
would never be replaced
______ the plan means we must start from the very beginning. 
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A
Abandoned
B
Abandoning
C
Being abandoned
D
Having abandoned
The manager _______ the workers how to improve the program since 9 a.m. 
#102020
A
has told
B
is telling
C
has been telling
D
will have told