I’m always ________ about what I say because careless remarks are likely to hurt others’ feelings.

We all know that the painting, named Racing Horse, is a(n) ______ example of Xu Beihong’s style.

______ with it, the worried person at last smiled.

Don’t be too ______ about things you’re not supposed to know.

(2009湖南娄底重点高中联考)It is the test system，       the teachers，that is to blame for the heavy burden of middle school students nowadays。