It was in the school _____ he had studied ______he began the important experiment.A that ,where B in which, which C where, that D where , in which
The new road is __________ of the old one.
Electronic devices such as iPods and headphones can do great harm to our hearing if _______ improperly.
A new __________to teaching English, is being used here, and it has proven to be very helpful to the students.
It was at the very beginning _______ Mr. Fox made the decision _____ we should send more fire-fighters there.
Last Sunday I went to visit the History Museum where I saw a pot _________ about 1,000 years before.