1. At the physics lesson, the teacher (1, asked) the children about the influence of heat and cold on the body. “Heat (2, makes) things bigger and cold (3, makes) things smaller,” answers a boy. “Quite right,” (4, says) the teacher. “Can you (5, give) an example?” “In summer, when it’s hot, the days (6, are) longer, but in winter, when it’s cold, the days (7, are) shorter,” (8, answers) the boy.

1. We (have) English lessons on Tuesday and Friday.

   • We have English lessons on Tuesday and Friday.
2. • Where is Phong?
   • I think he (read) in the library.
   • I think he is reading in the library.

3. Chau usually (listen) to the teacher in class, but she is not listening now; she (look) out of the window.

   • Chau usually listens to the teacher in class, but she is not listening now; she is looking out of the window.

4. If the pupils do well at school, they (receive) scholarships.

   • If the pupils do well at school, they will receive scholarships.

5. Who (play) music upstairs? It's really noisy.

   • Who is playing music upstairs? It's really noisy.

6. It (start) raining on our way home, but luckily I had my umbrella in my bag.

   • It started raining on our way home, but luckily I had my umbrella in my bag.