Tom has been to the US before.(改为否定句)
Tom to the US before.
People started to get (patient) after waiting at the gate for two hours.
The idea of wearing a mask in public is now (wide) accepted.
Mum, could I take off my mask today?It′s a little hot.
Well, I′m afraid we (wear) masks for some more time.
Zheng Shuang is (high) praised not for her acting skills but for her active role in social events.
I have become much (fat) after the high school entrance PE exam.So I decide to lose weight in the coming holiday.