Question

---Now the air in our hometown is even       than it was before.
---So we must do something to stop it.

A．better

B．dirty

C．more better

D．worse

Answer 1

D

本题考查形容词。句中出现连词than必定要用比较级，根据后句的意思是贬义，故选D.句意：——现在在我家乡的空气比以前更糟糕了。——因此我们必须做些事情阻止它。