問題詳情

28. Susan: Do you know             you have talked onthe phone? Aren’t you thirsty? Waiter: Oh,come on! I’ve only talked for thirty minutes.
(A)how old
(B)how long
(C)how many
(D)how often

參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增

內容推薦