Question

2)Mary and I are at school (Maria e eu estamos na escola)(a) She (b)They (c) We (d) It

3) The girls are very pretty (As garotas são muito bonitas)
(a) They (b) You (c) She (d) He

4) My book is new. (Meu livro é novo)
(a) He (b) It (c) I (d) They

5) The dog is black and white (O cachorro é preto e branco)

(a) We (b) It (c) I (d) He

6) Paul and Susan are students.(Paulo e Susan são estudantes)

(a) They (b) He (c) She (d) You

7) Heloisa is the English teacher (Heloisa é a professora de Inglês)

(a) I (b) She (c) You (d) He

8) Mike and you are very friends. (Mike e você são muito amigos)
He (b) They (c) We (d) You​

Answer 1

Mary and I = We (c) (nós)
The girls = They (a) (elas)
My book = it (b) (isto)
The dog = it (b) (isso)
Paul and Susan = They (a) (eles)
Heloísa = she (b) (ela)
Mike and you = you (d) (vocês)

Answer 2

Mary and I = We (c) (nós)

The girls = They (a) (elas)

My book = it (b) (isto)

The dog = it (b) (isso)

Paul and Susan = They (a) (eles)

Heloísa = she (b) (ela)

Mike and you = you (d) (vocês