You’d better ______ your flight reservation at thelatest 3 days in advance

Would you please pass me today’s newspaper—_______

, I________ president,” said the boy, with a smile.

We’regoingto______withsomefriendsforapicnic.Wouldyouliketojoinus?

.–I sent him a most interesting story book by mail this morning. –You____so; he’s coming tomorrow morning.