423.It's so nice to hear from her again,_______,we last met more than thirty years ago.

A.what's more

B.that's to say

C.in other words

D.believe it or not

424.More people in Beijing are now using public transport rather than their own cars after the Olympic Games.
______.The roads are too crowded as it is.

A.Exactly

B.Eventually

C.Honestly

D.Especially

423.答案是D;

what's more而且；that's to say=in other words 也就是说；believe it or not 信不信由你。

424.答案是A;

exactly 千真万确；eventually 最后，终于；honestly 坦率地，老实说；especially 尤其，特别。