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题型：单选题题类：模拟题难易度：容易

——I saw Betty to Grandpa Li's home just now.
——Yes. She's often seen _________ the old man with the housework.

A、go, help B、going, to help C、go, to help D、going, helps

举一反三

—Mum, can I have something _______?

—Oh, dear. You can only drink some water. There is _______ in the kitchen.

English, she went to school in London, England.

— Mom, my classmates invited me ____________ a trip to Mount Tai. May I go with them?

— OK.

The girl was afraid{#blank#}1{#/blank#} (stand) so high and began to cry.

The teacher encouraged Martin ______ loudly in front of the class.

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