1) She was placed in a lower-level math class because she was underproficient in the subject.

2) Despite her efforts, she remained underproficient in English grammar.

3) The student's grades suffered as a result of being underproficient in chemistry.

4) The job candidate was rejected for being underproficient in computer programming.

5) He sought tutoring to improve his underproficient writing skills.

6) The team struggled in the competition due to several underproficient members.

7) The teacher provided extra help for the underproficient students in the class.

8) She was determined to bridge the gap and become proficient in areas where she was underproficient.

9) The employee was given additional training to address his underproficient performance.

10) The test results showed that the majority of students were underproficient in critical thinking skills.