C. 4. Join the pairs of sentences with the connectives given in the bracket.
a. I like dancing. My father doesn't like dancing. (but)
b. He studied hard. He failed his exam. ( although)
c.I was sick. I didn't attend my class yesterday. ( because )
d. The phone rang. I was taking my online class. ( while )
We explore internet. We can learn many new things. ( so that )​