— I wonder how much you charge for your services.— The first two are free _______the third costs $30.
Ladies and gentlemen, please remain ________ until the plane has come to a complete stop.
He told us whether _________ a picnic was still under discussion.
--Has your teacher returned from America yet? --Yes, but he _______ here for only three days before his company sent him to Africa.
It is said that he will______ his uncle’s business when he is mature enough to deal with the pubic relations.
Jack’s family _______ their holiday in Shanghai this time next week.