My
gfandma
is
good
at
(making
pancake).(烙餅)
因為:這裏的at為介詞，後面接動詞，要接動名詞，即動詞後面必須要加ing。
Liu
Mei(act
as
waitress)
(當服務員).
因為:act
as
:擔當…，
起…的作用;充;充當;為
waitress:女服務員
Mom
would
like
(to
buy)some
fruit
in
the
supermarket
after
work.
因為:would
like
+to
do
sth
想做某事。
They
are
in
the
(teacher‘s)
office.
這裏用形容詞性的物主代詞。
There
are
some
(fish)
in
the
bottle.
因為fish
本身是不可數名詞，無復數形式。
Let's
go
and
ask
(her)
.
she的賓格是her
there
are
a
lot
of
(sheep).
因為sheep的單復數形式不變。
請采納，謝謝支持!