题目内容：

请选择括号内恰当的单词填入空白处，使句意完整、准确。

1.Beijing lies to the ____________(south / north) of Hainan.

2.—The sweater is too expensive. I can only_________ (cost / spend) 80 yuan on it.

—OK. Here you are.

3.—The best way to be _____________ (safety / safe) is to be careful.

4.—Thank you for helping me. —It’s a _____________ (pleasant / pleasure).

5.—I am so ______________ (worried / worry ) about the math test tomorrow.

—Take it easy. I am sure you can do it.源:学*科*网Z*X*X*K]