4: an old book was left of the chairs inside the canteen the count noun. is ______
a:old
b:left
c:book
d:inside

5: I invite my freandd and ____ all agreed to come
a:they
b:he
c:she
d:we

6:the pupils went on a field trip the teacher told ______ be careful in crossing the street

a:them
b:you
c:us
d:him​