Question

---When ______ again? ---When he ______, I’ll let you know. A．he comes; comes B．will ...

---When ______ again? ---When he ______, I’ll let you know. A．he comes; comes B．will he come; will come C．he comes; will come D．will he come; comes

Answer 1

D
第一空是
特殊疑问句
，链竖带应用疑问形式，第二空，在
时间状语从句
中，主句用将来时态，从句用一般现在时态纤扰表将来，句意：他什么时候
再回来
？当他回来的时候，我棚芦会让你知道的。所以选D。