Choose the correct answer. 1. frankly, i'd rather you anything about it for the time being. a) do b) don't do c) didn't do d) will not do 2. the idea is that the nation an unmanned spacecraft to explore the planet first. a) sent b) sends c) send d) must send 3. the business is risky. but we would be rich. a) should we succeed b) we should succeed c) might we succeed 4. i'd just as soon rudely to her. a) that you won't speak b) your not speaking c) you not speak d) you didn't speak 5. we prefer that the plan before being into execution. a) must be fully discussed b) will be fully discussed 6. "if i hadn't practiced when i was younger", the musician says, "i able to play so well now". a) wouldn't be b) wouldn't have been 7. it is required that the machine as frequently as necessary. a) be oiled b) must be oiled 8. we could not have finished the work on time. a) was it not for their help b) should they offer to help us c) but for their help 9. there is a general understanding among the members of the board of directors that chief attention to the undertaking that is expected to bring in highest profit. a) is given b) should be given c) must be given 10. one of the requirements for a fire is that the material to its burning temperature. a) would be heated b) is heated