Anyone gotta crush on me?? jw

Explain what has to happen when you use être instead of avoir for the formation of the passé composé? il an english explanation with steps if possible

Choose the best translation of the following sentence. i always read the newspaper. je lis souvent le journal. je lis toujours le journal. je lis quelquefois le journal. je lis de temps en temps le journal.

Ais a membrane covered structure that contains all of the materials necessary for life !