10 Choose the best one (1,0 pt)
QUESTION 29 : How long is it since you saw Tom? *
A. When was Tom last seen?
B. When did Tom see you?
C. How long ago did you see him?
D. D. How long have you been seen Tom?
QUESTION 30: I have to clean the house because the house is dirty. *
A. Because the dirty house, I have to clean the house.
B. Since the dirty house, I have to clean the house.
C. It is such a dirty house that I have to clean.
D. The house is dirty so I have to clean the house,