选用正确的疑问词完称问句。 how many, how much, how long, how soon, how often 1. — ____ do you usually have an art lesson? — Twice a week. 2. — ____ will Tree Planting Day be? — In a week. 3. — ____ CDs have you got? — There are so many, I can't remember the number. 4. I can't say ____ I want to go back to my hometown. 5. — ____ has Miss Jones been in Beijing? — For two and a half years.