關於Itsdifficultforustol的百科

• It'sdifficultforustolearnalessoninlife

• 問題詳情：It'sdifficultforustolearnalessoninlife_______we'veactuallyhadthatlesson．（）A．after      B．since    C．until      D．when【回答】C知識點：複合句題型：選擇題...
• 2020-12-315137