Mr. Smith works with a mobile phone comp
题型:选择题
问题:
Mr. Smith works with a mobile phone company, but he _____________ for this international meeting, since he is on holiday.
A.works
B.is working
C.has worked
D.had worked
Mr. Smith works with a mobile phone company, but he _____________ for this international meeting, since he is on holiday.
A.works
B.is working
C.has worked
D.had worked