Autumn coming, the leaves have ________turned into brown color.
– I met Jackson at our school theatre. Can you imagine_____ well-known _____ an expert on ENT?
Surely Mr. Peterson ____ have forgotten to buy presents for his beloved family members. After all, it was Christmas!
Large quantities of water, as well as some other timely help including a medical team ___since the serious drought hit Yunnan Province.
Food safety issues, ____ will seriously affect the growth of teenagers and even the nation’s future.
It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.