31．—What’s the matter with Christine? —A letter from her parents in California________an attack of homesickness.

edn’t have apologized for your absence_______, it’ s hardly your fault.

The day came finally _____ I was given an opportunity to act in the play.

The letter is ________in French. I cannot read it.

It will _______ no difference whether our pay will be raised _______ 5% this year.