Mark Zuckerberg ____ ____ ____ (develop) his various businesses since he launched his first website. The number of employees ____ ____ ____ (grow) over the years. Soon we will need larger offices. She ____ ____ ____ about (think) opening other branch for a long time. I hope she does it soon. The company ____ ____ ____ (expand) all over the world. There are offices in six countries now. Hamad ____ ____ ____ (treat) patients for over 40 years. He has to retire next year.

11 General - Unit 4 - Lessons 11 - 12 - Present Perfect Continuous

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