問題詳情:
—Have they visited the zoo many times.
—______________. Only once.
A. Yes, they have B. No, they haven’t C. No, they have
【回答】
B
【解析】:此題重點考查現在完成時的簡略回答,根據答語可知應用否定*回答。
知識點:簡單句
題型:選擇題