Réécris les phrases suivantes en plaçant l'adverbe de fréquence qui convient au bon endroit. never sometimes usually often rarely always
a. A nurse works weekends.
b. Computer engineers clean their offices.
c. A tourist guide meets foreign people. d. Plumbers don't use a computer. e. A chemist wears a lab coat.
f. A salesperson sits down at work.
e. Librarians don't invite writers to their library. . .​