What happened to the missing child is a_______.
A: mystery
B: mysterious
A: mystery
B: mysterious
举一反三
- What happened to the missing child was still a _____. A: mystery B: mysterious
- Where is the missing boy is still a _______. A: mystery B: mysterious
- 神秘的 A: mysterious B: mystery
- The reason why she did it is still a () A: mystery B: mysterious
- The man in the black hat looks very () A: mystery B: mysterious