2. I don't want to buy a new house because I    (save) money for my son,who is going to have further study abroad.

2. am saving根據(jù)語境，應(yīng)該是"正在為打算出國深造的兒子攢錢"，因此用現(xiàn)在進(jìn)行時(shí)。

題目來源：2015年全品作業(yè)本高中英語必修1外研版 > Module 1 My first Day at Senior High

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