The English lesson starts ______ half past nine ______ the morning.
--What _______ if you don’t finish your work on time? -- Mrs. Brown will be very angry.
--It is cold outside. You’d better wear warm clothes to ________ the cold. --Ok, thanks.
Things made by hand are usually more expensive than _________ produced in factories.
-- Have you finished your homework yet?-- No, not yet. I think it’ll take me __________ half an hour.
-Do you think students should be allowed to do their homework with music on?--__________. If so, they can’t concentrate on the study.