优学院: 
The doctor checked the patient’s _______ carefully before making his statement.
                    The doctor checked the patient’s _______ carefully before making his statement.
举一反三
- Dr. Jones checked the patient's ______ carefully before making his treatment. A: [A] symbols B: [B] symptoms C: [C] signs D: [D] conditions
 - The doctor came out of the patient's room with a ________ look on his face.
 - Each ______ is carefully checked before assembly.
 - The doctor tried his best to save the patient’s life,_____ failed. A: or B: and C: but D: so
 - He checked carefully to _____ the possible errors in his design.
 
