A have sth done
B mind doing sth
A 他坚守承诺并还书了
C it is +adj +of sb to do
C It's a good idea for sb to do sth
drinking 动名词做主语 MAKE YOU RELAXED 使你感到轻松
D 孤独的男人每人一起玩 PLAY WITH SB ALONE是单独的意思,不一定孤独
A MAKE YOU RELAXED 使你感到轻松
B 不够安静 ENOUGH 在形容词后
D TOO...TO 太.以至于不能
B it做形式主语