连词成句。 1. Friday, what, is, do, going, to, next, he ______________________________________? 2. have, are, going to, not, we, any, the day after tomorrow, classes ______________________________________. 3. your, what's, class, do, to, going, coming, the, for, field, trip ______________________________________? 4. a picnic, a mountain, the children, on the top of, are, have, going to ______________________________________. 5. fun, fruit, are going to, hiking and eating, lots of, a new kind of, we, have ______________________________________.