You must ______the English course one month before it begins.
-- How do you study _____a test?-- I study _______working with a group.
–What _____ great weather it is!--Yes, _____ weather makes me so happy.
The manager came up to see _________
______lovely weather we are having these days.
-------How much is the ticket to Central Park?--------A one-way ticket_______$40,and you can _____another $20 for a round-trip.