- " Where have you been? I've been calling you."
I think that the correct possible answer would be:
- " Sorry, I didn't hear you,I was taking a shower."
I think that the answer should reflect a definite time,because "i didnt hear you" implies " when you called ",so I've chosen the past continious tense.
"I've been calling you" indicates that he did not call out (or ring on the phone) just once, but suggests he spent a period of time trying to find/contact him; and has been continuing to do so right up to this moment.
The response, 'I've been taking a shower' matches with it: over the same period of time that you have been calling, I have been showering.
If the first man had said, "I rang you just after 9 (meaning 9 a.m.). Where were you?" then the reply
I didn't hear it, I was taking a shower (at about that time)
would be appropriate.
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