That they (to know) this rule well. They (to hope) they (to make) no mistakes in the paper. 3. The ex-
pedition (to cover) hundreds of kilometres, but they
still (to be) far from their destination. 4. You (to
go) to Great Britain next year? 5. Yesterday Nick
(to say) that he (to read) much during his summer
vacation. 6. At the age of twenty my father (to
combine) work and study. 7. A great number of
students (to study) in the reading room when I (to
enter) it last night. 8. The storm (to rage) the whole
night, and the sailors (to try) to do their best to
save the ship. 9. Mike's friends could hardly
recognize him as he (to change) greatly after his
expedition to the Antarctic. 10. When I (to enter)
the hall, the students (to listen) to a very interest-
ing lecture on history of the English language.​