forget doing 忘記做過
forget to do 忘記去做
所以就選B
22. Mary forgot __________ a letter to her mother, so she wrote to her just now.
22. Mary forgot __________ a letter to her mother, so she wrote to her just now.
A. writing B. to writeC. to have written
A. writing B. to writeC. to have written
英語人氣：308 ℃時間：2019-08-19 06:56:43
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