How many hours do you spend ____ learning English every day?
举一反三
- How many hours do you spend ____ learning English every day? A: in B: out C: of D: from
- How many hours a day does George spend every day studying in college?
- How many hours do we usually spend in sleeping a day？
- How many hours of operation are there every day
- How many hours do you need to sleep every night according to the video?