Answer:
1 . an immersion course ⇔ curso de inmersión total
2 . It's sunny. ⇔ hace sol
3 . enrolled ⇔ matriculado
4 . It's chilly. ⇔ está fresco
5 . It's dark ⇔ está oscuro
6 . It's windy. ⇔ hace viento
7 . The weather is nice. ⇔ hace buen tiempo
D, C, A, B
The first one is translated as "a quarter to four"
"tener" means to have
The other two are literally in the sentences