题目内容

Tom is very happy in China during this period because his Chinese ________ every day.
A.has improvedB.is improving
C.improvedD.is improved
B
考查动词时态。句意:在中国的这段日子Tom很高兴,因为他的汉语水平天天在提高。用现在进行时表示现阶段正在进行的动作。
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