I___(hear)that Thailand is a good place to go sightseeing.

问题描述:

I___(hear)that Thailand is a good place to go sightseeing.
hear要加d吗?还是用它的原形呢?我个人认为是heard,教辅书上的答案是hear,我不懂这是为什么?如果你认为是heard的话,

hear 用原形 后面用的is 前面要一致 我听说Thailand是个观光的好地方