I find that looking after children is a fun and challenging job ___________ you need to be patient and careful.
Johnny, you_____play with the knife, you_____hurt yourself. won’t/can’t B.mustn’t/may C.shouldn’t/must D.can’t/shouldn’t
—Could I call you by your first name? —Yes, you______
A computer_____think for itself, it must be told what to do.
—What were you doing when Tony phoned you? —I had just finished my work and ___ to take a shower.
—You were out when I dropped in at your house. —Oh, I_______ for a friend from England at the airport.