Tom is a good boy and he writes _________ in his class.

“I wanted to do something I felt like I could make a difference，”says Lina Bilimoria, a student from the UK．

下列句子中，加点的词语使用最恰当的一项是(　　)

If we can ______our present difficulties, then everything should be all right.

The film My Own Swordsman kept us ______ all the time.