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1. Please keep ___________ and never give up. One day we will realize our big dream.
A. try B. tried C. trying D. to try
【考点】
动名词;
【答案】

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1. ________________ English well can be really important in our daily lives.
A. Leaming B. Learnt C. Learned D. Learn
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2. The trader is in poor health. What should he pay attention to           healthy?
A. to keeping B. to keep C. keeping D. in keeping
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3. —At weekends, my parents often go cycling with me around the Fishmouth Wetland Park.

—That's great! But my parents are too busy ________ operations to spare me any time.

A. to do B. done C. doing D. do
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