---Shall I keep an eye on your house when you are on holiday?
---________.
A．It’s up to you B．Of course you should
C．If you should like D．I would appreciate that
The new road is __________ of the old one.
A．more than three times the length B．three times more than the length
C．more than the length D．more three times than the length
Electronic devices such as iPods and headphones can do great harm to our hearing if _______ improperly.
A．being used B．used C．to be used D．having been used
A new __________to teaching English is being used here, and it has proven to be very helpful to the students.
A．way B．system C．approach D．method
It was at the very beginning _______ Mr. Fox made the decision _____ we should send more fire-fighters there.
A．when, which B．where, that C．that, that D．then, so
Last Sunday I went to visit the History Museum where I saw a pot _________ about 1,000 years before.
A．so it had been B．so had it been C．what it had been D．as it had been
