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please if you could help to choose the right answer and explain why

1. I have never worn a tie to work and I refuse / am refusing to start now

2. Excuse me, but is this bus stopping / does this bus stop outside the Post office?

3. How long have you been waiting for the bus? You look/ are looking really annoyed.

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guava lime 514please if you could help to choose the right answer

1. I have never worn a tie to work and I refuse to start now.

2. Excuse me, but does this bus stop outside the post office?

3. How long have you been waiting for the bus? You look really annoyed.

guava lime 514and explain why

Neither 1 nor 2 refer to the activity but to the event. Number 3 refers to the present condition, which for verbs of sense (look, see, hear, smell, taste, etc) are cast in simple present.

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I (can't stand)