uth-East Asia, many farmers cannot afford _____ farm equipment such as tractors, so most of the work is done with human labour.

How was the 2008 Beijing Olympic opening ceremony?—_______ that the whole world was attracted.

Good morning，Doctor Brown’s office.—Hello, this is Tom SmithCould you please tell Doctor Brown I ____? My car____start

rowing speed of a plant is influenced by a number of factors, _____ are beyond our control.

The tanker，which was full of petrol，________and gave off heavy and dark flames the moment a truck knocked into it.