1)d; 2)b; 3)d; 4)b; 5)a; 6)d; 7)d; 8)a; 9)b; 10)a
)As I was doing the washing-up,I broke a glass.
2)we were walking in the woods when the storm began.
3)simon was dancing when he fell and brokehis leg.
4)debbie aws sang in the scholl choir many years ago.
5)Why were you laughing all through you history lesson yesterday?
6)I play the piano ,but I do not play very well.
7)I have a car but I do not use it very often.
A)
1.these
2.this
3.this
4.these
b)
1.that
2.those
3.that
4.those