He____sleep, although he tried to. One cup of coffee in the late afternoon caused him to stay awake almost all night.( )
wouldn't
shouldn't
couldn't
mustn't
Gina used to live in the countryside with her parents, but now she is used to ________with her classmates at school.( )
live
living
lived
Do you know that we have already made great progress in 5G?
Oh, ________exciting news!( )
how
what an
what
Tom. together with his friends, often________ to the old people's home to cheer the old up.( )
go
going
goes
Look at the sign "No swimming", it warns us ________ in the lake.( )
to swim
not to swim
swimming
In February, 2020, many doctors and nurses ________ to Wuhan to save the patients.( )
was sent
were sent
are sent