Упр.123. Объедините два предложения в одно, используя Present Perfect Continuous.
Model: It is raining now. It began raining two hours ago.
It has been raining for two hours.
Boris is studying History. He began studying it three hours ago.
I'm learning Spanish. I started learning Spanish in December.
Ann is looking for a job. She began it six months ago.
Nick is working in London. He started working there in 1998.
George smokes. He started smoking five years ago.