He is a kind-hearted boy and he will come to the Old Folks' Home whenever __________.
A．he is convenientB．he will be convenient
C．it is convenient to himD．it will be convenient to him
C

試題分析：考查時(shí)態(tài)和convenient用法。Convenient的主語不能是人，只能用于 it is convenient to sb最某人是便利的；同時(shí)在時(shí)間狀語從句或者條件狀語從句中使用一般現(xiàn)在時(shí)代替將來時(shí)，故C正確。
點(diǎn)評：Convenient的主語不能是人，只能用于 it is convenient to sb最某人是便利的；同時(shí)在時(shí)間狀語從句或者條件狀語從句中使用一般現(xiàn)在時(shí)代替將來時(shí)，
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