3. 5) was the most difficult thing.
举一反三
- What is the most difficult thing to make a business call?
- 中国大学MOOC: The most difficult thing in learning a word is _________.
- What is the most difficult thing _____ you to stay here? A: to B: with C: for D: by
- A (workaholism)__________ is a person who works most of the time and finds it difficult to stop working in order to do other thing,
- The most difficult thing in learning a word is _________. A: its pronunciation B: its usage C: its meaning D: its spelling