correct English 04/08

Dear teachers,

Would you please tell me if these phrases / sentences are correct?

1) The passengers were on board during all the time that the boat remained / was lying in the harbour / at anchor.

2) They had still to wait (for) almost / nearly 20 years to become independent.

3) During the end of his term / mandate the president was not really popular any more / no more very popular.       (could  "really" and "very" mean the same thing here ?)

4) He was in London during his study / studies (?) of law.

5) He was thrown out of / thrown off the train.

6) She wants to go to / enter university.

7) railwaymen / railway workers / railway employees / railmen ?

8) He trembled with cold all night long / throughout the night / the whole night. 

Many thanks

Mister Micawber please, what do you think of these:

1b)  No one was allowed / authorised to leave / quit the boat during the whole time it / she remained / stayed / was at the port. (is "harbour" better than "port" ? is there any difference ?)

3) During the last months of his rule the President (?) was not that popular any more.

9) We don't have to buy the books we use / are using ? (both?)

10) Were they less rich, they would have been ruined. (mixed conditional ? correct ?)

Best regards