5 Complete the text with the present perfect form of the verbs in brackets.
Eco-tourism (1) ... (become) quite popular in the
last few years. People (2) ... (build)
eco-hotels all over the world. They are green
hotels and are good for the environment. It (3)
(have) a lot of publicity. The public reaction (4)
... (be) very positive. The hotels (5) ... (provide)
100 per cent organic cotton towels and they (6)
... (use) solar energy for their visitors. In general,
water and electricity consumption in the hotels (7)
(fall).​