----Look! Where are you going?  ---Sorry. I _______________.

A. wasn’t noticing   B. am not noticing.   C. don’t notice.   D. haven’t noticed

—Look, where are you going!

—Sorry, I _______.

A. wasn’t noticing   B. didn’t notice

C. haven’t noticed    D. am not noticing

---Hey, look where are you going?

--- Oh, I’m terribly sorry. _______.

A. I am not noticing                    B. I wasn’t noticing      

C. I haven’t noticed                  D. I don’t notice

---Hey, look where are you going?

--- Oh, I’m terribly sorry. _______.

A. I am not noticing                                          B. I wasn’t noticing             

C. I haven’t noticed                                                 D. I don’t notice

—Hey, look where you are going?　　 --Oh, I am terribly sorry.______.

A. I am not noticing　　 B. I wasn’t noticing

C. I haven’t noticed　　 D. I don’t notice