Write the new sentences using the given word. Do not change the word given in anyway. They have discovered some interesting new information. (LIGHT)

Complete the second sentence so that it has similar meaning to the first one. She'll have to make her presentation at the end of his speech. → The moment he ............................................

Complete the following sentences with your own ideas. There would be less pollution if _____

Complete the second sentence so that it has a similar meaning to the first one. They will build a new mall here. - A new mall ______________

Fill in each space in the following sentences with the most suitable prepositions. I saw Tom at the bus stop this morning but couldn't speak to him because we were standing ......... a queue.

Choose the word whose underlined part is pronounced differently from the others.