我的感冒似乎变得更严重了。
My cold seems to be ___getting ___worse.
如果交通状况恶化,我们就要迟到了。
If the traffic ___gets ___worse, we'll be late.
丢了钥匙后,我以为情况不会更糟了,但接着就开始下雨了。
After losing my keys, I thought things couldn't ___get ___worse, but then it started to rain.