Complite the sentences. Use couldn't and the verbs in the box.
verbs: find; finish; go; hear; listen; play; sleep; understand.
1 My dad ______to work because he was ill.
2 John ______his pen. It wasn't in his schoolbag.
3 Pam wasn't hungry - she _____her lunch.
4 I ______Jan because i don't speak German.
5 We ______the teacher because the students were very noisy.
6 Ian ______ to music because his CD player was broken.
7 I was very tired but I _______.
8 We ______tennis because the weather was bad.