_____ on everyday practice, progress in English is a goal which can be achieved．
A．BasedB．BasingC．Having basedD．Being based
A
考查非謂語動詞作狀語，短語：以什么為基礎(chǔ)，be based on,在這里based on作狀語，句意：以每天的實踐為基礎(chǔ)，在英語方面的進步是一個可實現(xiàn)的目標。所以選A。
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