It is a complicated problem．
A: strange
B: complex
C: difficult
D: unusual
A: strange
B: complex
C: difficult
D: unusual
举一反三
- It is a complicated problem(). A: strange B: complex C: difficult D: unusual
- It is a complicated problem. A: strange B: complex C: C. difficult D: D. unusual
- The wheel is called ______ . A: simple B: complicated C: strange D: unusual
- Theword“complex”inthelastsentenceprobablymeans_____. A: complete B: strange C: difficult D: modern
- They found the intricate directions extremely difficult to understand.（） A: vague B: unusual C: complicated D: original