Question

To be admitted to a key university, _______.

1. A.
   our parents always impress on us the importance of hard work
2. B.
   some universities attach great importance to students’ grades
3. C.
   all the students in senior 3 are making every effort to study hard
4. D.
   good grades are quite necessary

Answer 1

C
试题分析：考查不定式用法。当不定式在句中做状语的时候，不定式的逻辑主语就是句子的主语。本题的不定式to be admitted to a key university的逻辑主语是学生，故选项中只有C项的主语是学生，故C正确。
考点：考查不定式做状语用法
点评：当不定式在句中做状语的时候，不定式的逻辑主语就是句子的主语。