Question

3)Make sentences by using SIN​

Answer 1

1-
I have been waiting for the bus since two o’clock
I have been waiting for the bus for three hours

2-
My mother has cleaned the house since morning.
My mother has cleaned the house for two hours.

3-
Suzy has swum in the swimming pool since ten o’clock.
Susy has swum in the swimming pool for five hours.