1.what... about when I entered the office?
a)did you talk
b)were you talking
c)you talked
d)had you talk

2.He...on his own.
a)didn't used to living
b)wasn't used to living
c)wasn't used to live
d)wouldn't used to live

3.His car ... repaired at the moment.
a)is
b)was
c)is being
d)will be

4.If you ... study,you may fail the exam.
a)hadn't
b)don't
c)doesn't
d)weren't

5. There isn't ... coffee left in the cup
a)many
b)any
c)no
d)few