7. She has ........ in her studio since six o'clock this morning.*
O a. been painting
O b. painted
Dorreos Daria
c. paint
8. Sorry i"m late! Have you
long?*
O a. waited
O by wait
O c. been waiting
*
9. "Is Leslie at home?" "Yes, she has ..... arrived." *
O a. just
O b. since
cu already​