Present Perfect Continuous quiz. Fill in the gaps with the right forms of the verbs in brackets in Present Perfect Continuous Tense.

He for 2 years about his trip to Australia. (talk)
He for his book all the morning. (look)
I ＿ if I couldn't study German a little more. (wonder)
He about his girlfriend all the week. (think)
We about you. (just talk)
I for you for about thirty minutes. (write)
He in that chair all the evening. (sit)
We _ though Texas for 4 years. (travel)
We to the radio all the morning. (listen)
＿ for the bus for half an hour. (wait)​