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All the __________teachers enjoyed themselves on March 8th，because it was their own holiday．

A．man             B．men              C．woman             D．women

All the_____ teachers enjoyed themselves on March 8th，because it was their own holiday．

A．man         B．men           C．woman           D．women

All the ______ teachers enjoyed themselves on March 8th，because it was their own holiday.

A．man    B. men       C. woman        D. women   

根據下列句子中所給的漢語提示，寫出英語單詞的正確形式。每空限填一詞。

66. You’d better be (嚴肅)____________, we’re not joking.

67. Her son has a bad cough and it really (擔憂) ______ her a lot.

68. You shouldn’t leave a child (單獨)__________ in the house. It’s dangerous.

69. He was so sad at the bad news that he could (幾乎不)________ say a word.

70. All the (女)________ teachers enjoyed themselves on March 8th，because it was their own holiday.