中国大学MOOC: You must concentrate more _______ your English.
举一反三
- You must concentrate more _______ your English. A: to B: in C: on D: at
- 中国大学MOOC: As your spoken English gets better, your written English.
- 中国大学MOOC: As one of your obligations, you must ______.
- 中国大学MOOC: How could you rearrange all the important things without your ___________ (concentrate)?
- You practice English more and your English is better.