Just then Tom came___ and helped me carry the heavy bag.
A.passed B.across C.through D.by
选D!come by “从旁走过”
大意;正好那个时候汤姆从旁边经过然后帮我搬运那个很重的大包.
I only saw her once ______ my stay in Rome .
A.in B.on C.at D.during
选D!during one’s stay in ** 在某人呆在某地这段时间
大意：在我呆在罗马那段时间我只看见过他一次!