Question 23. you/ know/ how much/ time/ he/ spend/ surf/ web/ a day? A: Do you know how much time does he spend surfing web a day? B: Do you know how much time he spends to surf the web a day? C: Do you know how much time does he spend surfing the web a day? D: Do you know how much time he spends surfing the web a day? Helen: “What a lovely house you have!” Mary: “__________________” A: I think so. B: Of course not. it’s not costly. C: No problem D: Thank you. Hope you will drop in. Hoa: “Did you enjoy the movie yesterday” Mai: “__________________” A: Yes, it is warmer than today B: No, I dislike moving. C: Not really. I couldn’t follow the story D: Certainly, I’d love to “Why don’t you use a password to protect your files?”, An said to me. A: An encouraged me to using a password to protect my files. B: An advised me to used a password to protect my files. C: An advised me to use a password to protect your files. D: An asked me why I didn’t use a password to protect my files.