問題詳情:
Only when the war was over in 1918________get happily back to work.
A.did he able to B.was he able to
C.he was able to D.he did able to
【回答】
B only修飾時間狀語從句,位於句首,主句要用部分倒裝,排除C、D兩項;be able to能,會;排除A項。故選B。
知識點:倒裝與省略
題型:選擇題