Professor Wu told us that by the end of the year he _______ here for 3 years.
A. will have worked
B. will have been working
C. has been working
D. would have been working
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I bought a new house, but I _________ my old one yet, so at the moment I have two houses.
A. didn't sell
B. sold
C. haven't sold
D. would sell
I assure you that the matter _______ as quickly as possible. Have a little patience.
A. will be attended
B. will be attended to
C. is attended
D. is attended to
She ______ law while her brother is doing modern language.
A. studies
B. studying
C. isstudying
D. study
I had to meet my mother at the railway station as she _______ before.
A. had never been here
B. has never been here
C. has never come here
D. had never come here