Just have a go. Can you choose the best answer to each sentence?

1. With his work completed, the businessman stepped back to his seat, feeling pleased _____ he was a man of action. A. which   B. that          C. what          D. whether2. We haven't settled the question of _______it is necessary for him to study abroad. A. if           B. where        C. whether    D. that3._______makes this shop different is that it offers more personal services.A. What   B. Who    C. Whatever   D. Whoever