6. , , can be a challenge.
举一反三
- Selling can be a very ( ) job. CHALLENGE
- It can be a small challenge ______ the professor’s authority.
- Both men and women can race in the world solar challenge. A: true B: false C: not given
- It can be a small challenge ______ the professor’s authority. A: to B: for C: with
- ________ you’re looking for your first job or planning to switch to a new career, searching for a job can be a big challenge.