Only under special circumstances ________ to take make-up tests.
举一反三
- To become an aircraft mechanic, you must take oral and practical tests as well as written tests. A: 正确 B: 错误
- Up to now, only 10% of the scheduled tests have been undertaken.
- All F tests are one-tailed tests.
- We have learned the introduction to medical tests, blood tests and ____(放射学) tests.
- They have the courage to change and . (take risks, back up, make up)