Question

I typed the reports /before/while/despite/since Joanne interviewed a client We took a taxi /in case/ because / we were late

Answer 1

1. while - в первом предложении
2. because - во втором предложении

Answer 2

I typed the reports before Joanne interviewed a client. I typed the reports while Joanne interviewed a client. I typed the reports despite Joanne interviewing a client. I typed the reports since Joanne interviewed a client.

We took a taxi in case we were late. We took a taxi because we were late.