With the rise of modern communication tools, handwritten letters ______ by emails. 

A．will replace B．have replacedC．a(chǎn)re replacedD．a(chǎn)re being replaced

D

解析試題分析：考查時(shí)態(tài)：句意：隨著現(xiàn)代通訊工具的增加，手寫(xiě)信正被電子郵件代替。handwritten letters和replace是被動(dòng)關(guān)系，而且這個(gè)動(dòng)作是現(xiàn)在正在發(fā)生。用現(xiàn)在進(jìn)行時(shí)的被動(dòng)式。選D。
考點(diǎn)：考查時(shí)態(tài)語(yǔ)態(tài)
點(diǎn)評(píng)：英語(yǔ)中的時(shí)態(tài)主要由動(dòng)詞的形式?jīng)Q定，因此在學(xué)習(xí)英語(yǔ)時(shí)態(tài)時(shí)，要注意分析動(dòng)詞形式及具體語(yǔ)境，想象在那個(gè)特定的時(shí)間動(dòng)作所發(fā)生的背景，這個(gè)動(dòng)作是經(jīng)常性動(dòng)作、一般性動(dòng)作、進(jìn)行性動(dòng)作、完成性動(dòng)作還是將要發(fā)生的動(dòng)作�？疾闀r(shí)態(tài)的時(shí)候別忘了語(yǔ)態(tài)問(wèn)題。

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