a. There are more than a thousand sheep / sheeps on this farm.
b.
Please accept my thank / thanks for your beautiful present.
c.
Helen is the only person / people I know with three cars.
d.
There are two knife / knives in the top drawer.
e.
Alan hurt his leg when he felI down the stair / stairs.
f.
Kate decided to change her style and bought new cloth / clothes.
g.
Paul found his belonging / belongings outside in the street.
h.
Would you like to try a chocolate mousse / mice?
I.
World Airways has bought 20 new aircraft /aircrafts·
J. We
have already sent the good / goods you ordered.