1. Write the verb "see" in the present perfect tense. Use the pronoun "I" as the subject.

Question

A. I am seeing.
B. I am seen.
C. I have seen.
D. I see.

A?

2. Which kind of adjective is used most frequently in ordinary speech or writing?
A. Proper
B. Common
C. Article
D. Demonstrative

A?

Answer 1

Changed my mind for #1 is it B?

Answer 2

1.
http://www.englishpage.com/verbpage/presentperfect.html

2. Do you know what these choices mean?

Answer 3

1. C?
2. not exactly

Answer 4

1. is C.

2. Study these.

http://www.grammar-monster.com/glossary/demonstrative_adjective.htm

http://www.grammarly.com/handbook/grammar/articles/

http://www.k12reader.com/proper-adjectives/