We were scared to death when the fire _______ . Fortunately, it was put out before it caused much damage.

Choosing the right dictionary depends on ______ you want to use it for.[ ]

Did you do __________ on vacation —Not really. I just stayed at home and helped mom.

Compared with cats, dogs are even more 　　　　to, and more easily interrupted by, smell and vibration.

下列各句中，没有语病的一句是（ ）