His English is improving _______, which makes both his parents and his teacher happy.

A. now and then B. little by little

C. sooner or later D. one after another

 

B

【解析】

試題分析：句意：他的英語在一點(diǎn)一點(diǎn)的提高，這讓他的父母和老師很高興。這里使用短語，四個(gè)選項(xiàng)的含義分別是：A. now and then時(shí)而，B. little by little一點(diǎn)一點(diǎn)的， C. sooner or later遲早， D. one after another一個(gè)接一個(gè)，所以選B。

考點(diǎn)：考查短語辨析

 

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