This is a______ but extremely difficult technology in the future.
We grow all our fruit and vegetables, _____ saves money, of course.
Shanghai lies _____ the west of the Pacific Ocean, where you can’t find many islands ____ the coast.
My uncle’s house in the downtown area is much smaller than ours, but it twice____ expensive.
It is not who is right but what is right ____ is of importance.
.----Could I borrow your car to go shopping?