1) which correctly punctuates an introductory element?
a: in room 210 there are 3 boys and 17 girls.
b: outside the house in the yard we saw a dog chasing our cat.
c: no we do not want to go!
d: on bus 18, there is a kind man named mr. cantucci.

which sentence contains a correctly punctuated appositive phase?
a: miles martin vp attended our conference on tuesday.
b: the book, mysteries of the blue ridge mountains, is so fascinating!
c: our cousin doris is coming on tuesday.
d: they brought three dogs and that girl sharon with them.

which correctly punctuates a parenthetical phrase?
a: she is coming, as a result to the dinner party.
b: in contrast the sky is blue.
c: he is here, therefore, for the week.
d: however we all practice, different religions.