Have you ever worked as______volunteer during the COVID﹣19 pandemic (新冠疫情)?
Yes. It was_____unforgettable experience for me.( )
an; an
an;a
a; an
a;a
The policeman warned the man after drinking.( )
not to drive
to drive
driving
has the 2018World Cup been on?
For about two weeks.( )
How soon
How far
How long
Li Lei's mother him because he went out to play in the rain.( )
was angry with
was pleased with
was proud of
the girl is only six years old, she knows more than 300ancient Chinese poems.( )
If
Unless
Although
May I use your computer?
Sorry. I on it.( )
work
am working
have worked