Complete the passage with at, on or in. Then discuss in groups which preposition express time and which ones express place.

(Hoàn thành đoạn văn với at, on hoặc in). Sau đó thảo luận theo nhóm giới từ nào thể hiện thời gian và giới từ nào diễn tả nơi chốn)

Tom's mother is at home, but she is not (1) the kitchen. She usually waters the vegetables in the garden (2) the morning. Tom's father is (3) work, but he isn't in his office at the moment. It is his lunch break and he is (4) a travel agent's looking at holiday brochures. Tom is usually at school at this time, but he has a bad cold today. He has nothing to do but lying (5) the sofa and looking at the posters (6) the wall.