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1. 彈樂器前要帶定冠詞the,而進行球類運動則不帶the。

play +棋類/球類/牌 下……棋，打……球 play soccer/basketball play the +西洋樂器 彈/拉……樂器 play the guitar/piano 2.序數(shù)詞，前面要用定冠詞the。on the second floor 3.三餐前面不用冠詞。 have breakfast/lunch/supper

一般現(xiàn)在時

語法講解

1. What are you doing? ---- He is cleaning the dormitory. 2. Are you doing your homework? Yes, I am./No, I am not. 3. How long can I keep them? Two weeks. 4. Thank you. ---It s a pleasure. = A pleasure = My pleasure. 別客氣。 5. Sorry, I don t have any. Thank you all the same. 仍然感謝你。 重點詳解 1. 巧辯異同