1) the teacher is … the blackboard.(in/at/to) 2) she is putting the books … the bag. (into/in/to) 3) the teacher goes … the classroom at three o’clock. (on/out/of/at) 4) what do you do … work? (by/after/from) 5) come … . (to/by/in) вставьте пропущенные слова