There are coal,oil and metal ______ buried deep in the groun
There are coal,oil and metal ______ buried deep in the groun
As there is less and less coal and oil,scientists are explor
what are the differences between 'hard coal' and 'soft coal'
( ).There are three ______ and seven _______ in the picture.
Oil and coal come from the plants and animals that died___of
英语高手请进the earth has limited supplies of coal and oil 急
the burning of gas ,oil,and coal has created acid rain.(as a
英语翻译For generations coal and oil have been regarded as the t
We get oil,metal and clay out of the ground .怎么翻译
There are you in my deep soul
词汇。小题1:There is an ______ of oil paintings in the museum. (e
the details are buried in sufficient additional text意思