Question

My sister isn't in．She________to the library．

1. A.
   has been
2. B.
   has gone
3. C.
   went
4. D.
   will go

Answer 1

B
分析：has gone to+地点(到某个地方去了)，人离开了原来的地方，是对现在产生影响的用法，My sister isn't in．就是对现在的影响。(延伸)have gone to(人不在了)/．have been to(人去过，但回来了)/have been in(一直在某个地方)