I DON'T KNOW HER PHONE NUMBER, SO I CAN'T CALL HER. A. I CAN'T CAL...
1. I don't know her phone number, so I can't call her. A. I can't call her because I don't know her phone number. B. I know her phone number but I can't call her. C. I look up her phone number and I can call her. D. I don't know her phone number, but I call her.