A2
used after some verbs, nouns, and adjectives to introduce a new part of a sentence
Dictionary examples:
The teacher was shocked that the students knew everything! (0.0)
My teacher was surprised that my dog ate my homework. (0.0)
I'm afraid that my phone is addicted to me. (0.0)
It was so dark (that) I couldn't see anything. (12.1)
She said (that) she'd collect it for me after work. (18.7)
Is it true (that) she's gone back to teaching? (22.3)
We'll be there at about 7.30, provided/providing (that) there's a suitable train. (35.9)