Biology is to subject as southwest is to________;
Monica is one of the________ (图书管理员) at the University of British Columbia.
Hopefully, ________ (千) of people chose to stay in Wuhan and signed up to be volunteers.
According to Doctor Lee's report, the disease is________（传播）fast among people.
In the accident, one man was killed, the other________ (严重地) hurt.
The whole building________ (摇动) when a train goes past.
