My brother is busy ______ for the exam.
举一反三
- Five answers in my exam were wrong．I made______ in my exam．
- 中国大学MOOC: ____, my brother passed the exam.
- My brother is busy ______ for his first job interview.
- My little brother is so _______ that he made so many mistakes in the exam. A: care B: careful C: careless D: carefully
- 2. We are busy preparing _________the exam.