1 . You should avoid ________ on the underground. It’s impolite and also against the rules.
| A．eat | B．eating | C．ate | D．to eat |
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2 . As a lover of Chinese culture, Tina keeps videos to learn about real life in China.
| A．watch | B．watching | C．to watch | D．watched |
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3 . Look! Those little ants are busy _______ their food for the winter.
| A．collect | B．collected | C．collecting | D．to collect |
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4 . We should help the children who have trouble _________ the English words.
| A．reading | B．to read | C．read | D．reads |
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5 . Some scientists suggest ________ at an early age, but others do not.
| A．write | B．to write | C．writing | D．to writing |
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6 . Dad, I prefer to go shopping with you instead of ________ at home alone. (leave)
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7 . More attention should be paid ________ a good habit of reading effectively.
| A．to develop | B．for developing | C．to developing | D．in developing |
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8 . Parents often have difficulty ________ with their teenage children. (communicate)
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9 . Now many elderly people practice sword ________ in the morning. (fight)
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10 . The manager suggested ________ thousands of pounds updating computers. (spend).
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