中国大学MOOC: They hugged each other, together under the lights.
举一反三
- 中国大学MOOC: The condition can be （6） by exposing patients to special lights, known as full-spectrum lights.
- They hugged (拥抱) each other so tightly that no one could __________. A: put them together B: help them C: pull them apart D: pull off
- They hugged each other so tightly that no one could separate them. A: pull them together B: pull them in C: pull them down D: pull them apart
- 5. They hugged (拥抱) each other so tightly that no one could separate them.
- 中国大学MOOC: How can people greet each other?