你可能感兴趣的试题
situations facts dances possibilities
have visited visited had visited had been visiting
was riding have ridden rode had ridden
visited have visited was visiting will visit
was riding have ridden rode ride
situations facts possibilities chances
yet; have visited yet; visited ever; have visited ever; visited
have visited had visited would visit visited
situations facts chances possibilities
have visited visited had visited would visit
visit visited visiting to visit
situations facts chances possibilities
have visited visited had visited would visit
had visited visited have visited would visit
had visited would visit visited have visited
visited would visit have visited had visited
Perhaps No, I haven’t I don’t know Yes, I have
Do; visit Did; visit Have; visited Has visited