Viết lại câu sao cho nghĩa ko đổi: 1. They didn't think there could be a convincing explanation for the inscription. (THERE WAS) 2. In a nutshell, we have missed the train. (THE LONG) 3. The thieves broke into the building because they thought that there was expensive computer equipment inside (BELIEF) 4. Some of these corporations threatened to sue without the slightest hesitation (DROP) 5. She annoyed him with her stupid questions (BOOKS) 6. The government is struggling to find out answers to our economic problems(COME) 7. Mellor examined the draft quickly for inaccuracies (CAST)