A subject is the word, usually in a form of nouns, that is being talked about in the sentence. A subject can either be simple or compound. In the given sentence above, the subject is the word "we". And "we" is the direct doer of the action word "invite".
Answer:
noun. an accidental or temporary decline or deviation from an expected or accepted condition or state; a temporary falling or slipping from a previous standard: a lapse of justice.
Explanation:
Sorry i just got this by looking it up (sorry if it's wrong)
Am I suppose to buy gifts for them