连词成句。 1. meet, after, school, friends, with, don't, I ____________________________________. 2. after, he, to, has, do, his, homework, class ____________________________________. 3. can't, watch, I, TV, weekends, on ____________________________________. 4. have, to, I, the, room, clean, make, dinner, and ____________________________________. 5. piano, the, to, go, learn, have, to, I ____________________________________.