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【題目】________ these past three years, which teacher do you miss most?

【題目】She ________ his number in the phone book to make sure that she had got it right.

【題目】Before you choose a book, you'd better ________ it to know whether it is right for you.

【題目】English is always too difficult for me. I can't l________ it well.

【題目】You are supposed to c________ the windows. It's reported that it will rain.

【題目】Cindy, don't f________ the flowers. They should be watered every day.

【題目】Alipay is a useful ________ (invent)．It makes people's life more convenient.

【題目】It took the ________ (climb) two hours to get to the top of the mountain.

【題目】(2017遂寧) Many ________ (visit) came to the hometown of the great man during the vacation.

【題目】This team has ________ (spend) about five years designing this app and they won't allow themselves to fail.