As many as 150 miners died in the accident．If only the mine - owners ____ enough attention to the safety measures!

---Dad, I am too tired and feel too much pressure on my mind  ---Come on! That’s the life of Senior Three, but if you are admitted to a key University, you ____get an Iphone 5s as a gift.

Let’s clean the classroom, ＿＿＿＿＿＿＿? 

---Imagination     important in science, and it helps us dream up our future.---You are definitely right. If only something         allow me to see insects and spiders magnified without getting close to them.

The dance performed by the disabled actors is really a hit, but years ago no one ____ they were to achieve such great success.