单词拼写（根据首字母提示写出单词）（共5小题；每小题1分，满分5分）
John is both academic and a_________, which is why he is so popular with his classmates.
I feel b______ by my friend Hannah, for she told others about my low grades after promising not to.
They had been a_________ for several hours , but neither side would give in and they couldn’t reach a conclusion.
The efforts of the Chinese government and people to protect the Changjiang River will be a______ for years to come.
I am c______ about what I say because careless remarks are likely to hurt others’ feelings.