Fill in a/an in the boxes.

1. Fill in a/an in the boxes: 1) a ruler 2) a textbook 3) a classroom 4) an eraser 5) an atlas 6) a pen 2. Fill in the gaps with the personal pronouns (they, he, she, it): 1) It (guitar) 2) He (man) 3) They (caps) 4) It (apple) 5) She (doctor) 6) They (people) 3. Replace the words in bold with the correct personal pronoun: 1) We are 10 years old. 2) It is on the desk. 3) You are classmates. 4) It is in room B. 4. Write the short forms: 1) He's 2) She isn't 3) We're 4) I'm 5) They aren't 6) You're 5. Fill in 'm, 's, 're, isn't, aren't: 1) 'm 2) 's 3) 's 4) 's 5) 're 6) 'm 7) 's 8) 's 9) 's 6. Complete as in the example: 1) A: Is it a classroom? B: No, it isn't. 2) A: Are they pens? B: Yes, they are. 3) A: Is it an atlas? B: Yes, it is. 4) A: Are they notepads? B: No, they aren't. 5) A: Is she a teacher? B: Yes, she is.