- The tests confirm that 10 specialists have the 4th level of lanuage proficiency.
- Through these tests, 10 specialists have confirmed that they have the 4th level language proficiency.
- The tests demonstrate that the 10 specialists continue to have the 4th level of language proficiency.
- 10 specialists show that they have level 4 language proficiency.
- 10 specialists demonstrate level 4 language proficiency on these tests.
- These tests show that 10 specialists have the 4th level of language proficiency.