Solución ERR.4.2.1.

Solución:

1. What is expected to cause major accidents this winter?
d. Icy roads

2. What is expected to cause major accidents this winter?
a. Icy roads

3. What is expected to cause major accidents this winter?
b. Icy roads

4. What is expected to cause major accidents this winter?
d. Icy roads

5. What is expected to cause major accidents this winter?
d. Icy roads (correct)