It is t __________ in America to eat turkey on Thanksgiving Day.
This bag belongs to one of the ___________ (牙医).
The girl ____________(成功)in being a Charity volunteer in 2019.
She can hardly _____________ (承担得起) to wait for another hour.
How____________(累人的) it is to go hiking in such hot weather!
New types of energy produce little ____________(污染).
