连词成句。 1. is, time, what, it (?) __________________________________________________ 2. at, school, hard, study, I (.) __________________________________________________ 3. today, how, the, is, weather (?) __________________________________________________ 4. go, at, work, seven, we, to, thirty (.) __________________________________________________ 5. my, eat, I, breakfast, family, with (.) __________________________________________________ 6. week, day, second, of, day, the, what, is, the (?) __________________________________________________ 7. breakfast, when, is (?) __________________________________________________