Question

Tom’s mother has        twice.

1. A.
   been abroaded
2. B.
   went abroad
3. C.
   gone abroad
4. D.
   been abroad

Answer 1

D
本题主要考查现在完成时，have been去过,已回来；have gone 去了，未回来；根据题意“汤姆的妈妈去过两次外国”故选D