2．He made a new ________ (discover) in science.

　　解析：名词作宾语。

　　答案：discovery

　　3．The mountain is beautiful, ________ (expecial) in spring.

　　解析：especially 尤其。

　　答案：especially

　　4．He failed the exam, ________， he didn't lose heart.

　　解析：该空表转折，后跟逗号，故用 however。

　　答案：however

　　5．On ________ other hand, I like the scenery in autumn.

　　解析：on the other hand 另一方面。

　　答案：the

　　6．I had no choice but ________ (take) another way.

　　解析：have no choice but to do 别无选择只好......。

　　答案：to take

　　7．I am dying ________ (hear) from you.

　　解析：be dying to do sth. 渴望做某事。

　　答案：to hear

　　8．I'm ________ the plan for the vacation while he is for the plan.

　　解析：be against 反对......。

答案：against