连词成句。 1. what, usually, you do, on, do weekends? ________________________________________? 2. how often, your brother, does, take, a, shower? ________________________________________? 3. I, nine , hours, sleep, every , night. ________________________________________. 4. Betty, milk, drinks, every, morning. ________________________________________. 5. some, students, once, watch, TV, or, twice, a, week. ________________________________________.