Most of the evidence was destroyed in the fire________it would be almost impossible to prove him guilty[ ]

When you getthe paper back, pay special attention to what ________.

_____ twice a year, whether it is a car or a bus, is a rule that every driver must obey in this city.

It was difficult to get a word in Everyone＿＿＿so excitedly about the play

There are lots of _______ of art in the museum