How many colors are there in the business attire （商务正装）at most （最多）?
A: 2.
B: 3.
C: 4.
D: 5.
A: 2.
B: 3.
C: 4.
D: 5.
举一反三
- How many colors are there in the business attire at most? A: 2 B: 3 C: 4 D: 5
- How many rooms concerned are there A: 2. B: 3. C: 4. D: 5.
- How many kinds of travel books are mentioned in the passage A: 2. B: 3. C: 4. D: 5.
- How many terms can a president in the United States be elected to at most A: 1. B: 2. C: 3. D: 4.
- 岩石按成因分为（）1.岩浆岩2.沉积岩3.花岗岩4.片麻岩5.变质岩 A: 1、2、3 B: 2、3、5 C: 1、2、5 D: 2、4、5