【題目】This is my mother. ________ looked young at that time.

【題目】He refused my help. He said he would go there ________.

【題目】Do you know Mark Twain? He is the writer of ________ book.

【題目】I think life ________ is a learning process. So we shouldn't stop studying.

【題目】If you don't know this word, you can find ________ meaning in the dictionary.

【題目】Everyone makes mistakes in his life. The key is not to repeat ________ again.

【題目】Cheer up, Tom! ________ will be fine later.

【題目】I wrote to Mr. Jackson once or twice, but ________ did not reply.

【題目】You are the best. Believe in ________ and try your best to do it.

【題目】Thank you, my dear friends! I made great progress with ________ help.