So powerful ___ in Lushan county,Sichuan province that water and electricity in the area were cut off.A.was the quake B.the qake was C.did the quake D.the quake did答案A.這是so...that 句型so 短語位于...第二題選項(xiàng)為 A. might it be B. could it beC. could it have been D. should it have been本題考查 情態(tài)動詞 的用法could have done表示對過去情況的推測 故 是正確答案選項(xiàng)AB 只能推測現(xiàn)在情況 故錯選項(xiàng)D 是表示 的是 過去本該做 而實(shí)際沒有做不合題意 故錯。