Question

It is impossible to master English well in a few months; ________, it is a foreign language．

1. A.
   after all
2. B.
   in all
3. C.
   above all
4. D.
   at all

Answer 1

A
after all意为“毕竟”；in all意为“总共”；above all意为“首先，最重要的是”；at all意为“一点，到底，究竟”。