问题补充:
---Have you been to the National Theatre?
---No, but I’ve bought two tickets for the concert to be given this weekend.
A. yet
B. even
C. ever
D. already
答案:
A. yet
B. even
C. ever
(答案→)D. already
解析:考查词义辨析。yet 然而,even 甚至,ever 曾经,already 已经,句意:你去过国家剧院吗?没有,但是我已经买了两张票去看这个周末的音乐会。所以选D。