中国大学MOOC: The aircraft’s safety record is a testament __________ its designers’ skill.
举一反三
- The pilot in command of an aircraft is the person _______ the aircraft who is responsible for its operation and safety during flight.
- 中国大学MOOC: The New Testament is mainly about Jesus Christ’s life and teachings.
- 中国大学MOOC: A company’s ____________ are the core of its culture.
- Numerous materials are available to __________. A: today of designers B: today's of designers C: today's designers D: today designers
- 中国大学MOOC: The Old Testament is about the life and teachings of Jesus Christ.