Ответ:

3

buried his head in his hands - to cover face with hands

resting my hand on his shoulder - to put hand on someone's shoulder

put my finger on my lips - to put finger on mouth

stretched his arms - to hold out arms

yawned - to gape

4

I think Van Weydan and Maud will be able to escape from the ship and Wolf Larsen.

They will sail until they find an island or seaport.

5

A diffrent ending

Van Weydan and Maud won't be able to escape.

The captain and sailors will discover their disappearance.

So they will be caught.