-tall trees they are!是用what还是how,为什么

-tall trees they are!是用what还是how,为什么 是how happy they are 还是 what happy they are 为什么 how tall are they? _______big fish they are是填What还是How? ______beautiful stamps they are!(what 还是 how) They are tall buildings.How tall they are! What great they are!还是How great they are! ______cute pigs they are What/how,为什么? What are they?They are____young trees. 是how tall are your friend?还是how tall is your fried How ------they are是happy还是happily为什么 什么时候用形容词,什么时候用副词.谢谢 ____ clever boys they are!感叹句.为什么是WHAT不是how,不是how+adj.