题目内容：

选择括号内恰当的单词填入空白处，使句意完整，正确。

1. ---Oh, I failed the math exam!

–Don’t worry! Try your best         (studying/ to study) hard, and you’ll get good grades.

2. --- Bill is too         (careless / careful)!

----Yes, I think so. He always makes so many mistakes in his homework.

3. ---The Tour of Qinghai Lake has the highest altitude         (between / among)all races hosted by the International Cycling Union.

---You are right!

4.–Excuse me, can I sit here?

--Sorry, but there is no           （room /space) for you.

5.--I hate rock music, it is too noisy.

---I don’t like it,          (too / either).