词汇知识____________(vt.)温习(功课)
____________(n.)纪律
____________(n.)关系
____________(adj.)正式的→____________(反义词)
____________(adj.)轻松的；松懈的；宽松的→
____________(adj.)令人放松的；令人轻松的____________(adv.)同样地，类似地→____________(adj.)
Television has displaced film as our country’s most popular for of e______.
He came up with such a good idea that all the people s______ it.
I had forgotten the date of the battle, so I r______ to a history book.
The poor man had a very unhappy ______(童年).
Three thousand ______(听众) crowded the concert hall.