Question

【题目】Anna is _____ to work out the problems.

A. careful enough

B. enough careful

C. carefully enough

D. enough carefully

Answer 1

【答案】A

【解析】句意：安娜足够认真地解决这些难题。careful认真的，是形容词；carefully认真地，是副词。enough修饰形容词或副词时，位于形容词或副词的后面。故排除BD两项。作为系动词is的表语，故用形容词，故选A。