2. At the beginning of the year, it was difficult for the students to use smartboards, ★★★ now all of them can work on the smartboard.

3. The school director was delighted ✰✰✰ we won the first place award in the Math Olympiad.

1. People in my village didn't have money to build a school, ★★★ they used a cave as a school.

0. At our English lessons, we often watch videos and discuss them.

4. Are there any boat ★★★ cave schools in your country?

(1) Complete the sentences with so, and, or, but and because.​