IV Fill in the gap with a suitable phrase or idiom given below. burn the midnight oil take into account make a bundle nine-to-five behind the scenes break the bank once in a blue moon over the moon out of this world 1. ................................... I go to the cinema, only when there’s a film I really want to see. 2. Both my parents work ........................................ in the state-owned companies. They go to work together every morning. 3. Oh, this business seems really profitable. Do you think that you can ........................................ by investing in it? 4. I asked my parents to allow me to join a five-day tour to Da Nang with my classmates this summer holiday, and they said that they would ........................................ my idea. 5. Oh, your chocolate cake is ........................................ I have never tasted such a delicious cake. Can you tell me the recipe?