A．great deal has been done to remedy the situation.
A: maintain
B: B．improve
C: C．preserve
D: D．protect
A: maintain
B: B．improve
C: C．preserve
D: D．protect
举一反三
- A great deal has been done to remedy the situation. A: maintain B: improve C: preserve D: D. protect
- A great deal has been done to remedy the situation. A: maintain B: improve C: C. preserve D: D. protect
- A great deal has been done to remedy the situation. A: maintain B: B. improve C: C. preserve D: protect
- A great deal has been done to remedy the situation．（） A: maintain B: improve C: assess D: protect
- A great deal has been done to A: maintain B: improve C: assess D: protect