Complete the sentences with the correct past perfect form of the verbs in brackets.

1 John was smiling because / a she _________ (not find) any shoes in her size.
2 Jill was disappointed because / b her daughter _________ (pass) her driving test.
3 The woman was proud because / c he _________ (not leave) work until 11.30 p.m.
4 Kate felt scared because / d he _________ (have) some good news.
5 Gareth was very tired because / e she _________ (hear) a loud noise.