win7系统32位重装64位:求助,英语题

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1.How long ___your father____(work)in this factory so far?
2.what will you do after you____(graduate)from the college.
3.He called me up when I___(have)a shower this morning.
用所给动词的适当形式填空.

have been working
graduating
was having

1 have worked
2 graduate
3 was having

1 has worked
2 graduate
3 was having

1. has ... been working
2. graduate
3. was having