Question

They ______ Hong Kong twice

1. A.
   have gone to
2. B.
   have been to
3. C.
   have been in
4. D.
   have gone in

Answer 1

B
have been in強(qiáng)調(diào)“過去曾去過”之意；have been to的意思是“去過而現(xiàn)在已返回”；have gone to的意思是“去了，而且沒回來”，故根據(jù)句意選B正確。