The concert by Lang Lang was so well that all the tickets had been sold out on the first

问题补充：

The concert by Lang Lang was so well that all the tickets had been sold out on the first three days last month.

A. received

B. recognized

C. admitted

D. taken

答案：

(答案→)A. received

B. recognized

C. admitted

D. taken

解析：考察固定搭配。固定搭配be well received =be popular受欢迎；句意：朗朗的音乐会如此受欢迎以至于上个月第一天票就都被卖完了。故A正确。