Задайте вопросы к предложениям, начиная их словами в скобках: 1. the boys usually keep regular hours. (what) 2. a first-years student has been answering the teacher’s questions for an hour already. (how long) 3. alex’s fellow-student had read the book before the seminar began last week. (when) 4. laboratory assistants equipped a new complicated experiment last week. (what kind of…) 5. researchers will meet at the scientific conference next month. (where)
2How long has a first-year student been answering the teacher's question
already?
3When had Alex's fellow-student read
the book?
4What kind of expiriment did laboratory assistants equip last week?
5Where will researchers meet next
month?