With the help of these, I hope to pass muster creditably before my first month is out.
"And now, my dear Mary, I must draw my letter to a close.

In the army we are obliged to write under difficulties.

I am writing this on my knapsack for a desk, and that is not quite so easy as a table.

The constrained position in which I am forced to sit has tired me, and I think I will go out and 'limber' myself a little.

Frank, who has just finished a letter to his mother, will no doubt join me.