David is ______ eight﹣year﹣old boy with short black hair.( )
A./B.aC.anD.the
In the war against COVID﹣19,the Chinese government is making efforts to make sure the vaccine(疫苗)is _________taken all over the country.
hardly
deeply
widely
一Is everyone here today?
一No.Two students are ________ because they have a cold.
angry
absent
active
Mike has lost new watch.He is looking for it everywhere.
he
his
him
Sansha,a beautiful city,lies ____________ the south of China.
in
on
to
Yuan Longping is ___________ great scientist.He has helped to feed the world.
/
a
an