2.     no modern telecommunications ,we would have to wait for weeks to get

news from around the world.

A. Were there    B. Had there been

C. If there are   D. If there have been

2.    A考查虛擬語氣。句意：要是沒有現(xiàn)代化的通訊，我們將不得不等待若干個(gè)星期才能獲得來自世界各地的消息。"要是沒有現(xiàn)代化的通訊"是對現(xiàn)在情況的一種假設(shè)，故從句中使用一般過去時(shí)，省略if后把were提到從句主語之前。故選A。

題目來源：2015全品語法快練高中英語新課標(biāo) > 訓(xùn)練24 情態(tài)動(dòng)詞和虛擬語氣

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