Question

Although she is only five years old ,she plays the piano_____her elder sister

Although she is only five years old ,she plays the piano_____her elder sister.
A.as good as B.as well as C.so good as D.so well as

Answer 1

so+原形+as 用于否定句中，排除BC

因为play后面要跟副词，所以使用well

选择B

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Answer 2

选 B as well as
这里需要副词，修饰谓语动词。
as .. as 跟..一样

Answer 3

B as well as
和……一样好