My computer ____start, no matter how hard I try.–It might have crashed.

.— I ‘ll ask our physics teacher to explain Newton’s Second Law of Motion, which she taught us yesterday.— That’s just _______ most of the students haven’t understood.

In the video of US Gulf incident, a person replied in _______ seemed to be an American accent: “This is coalition warship.”

It is now widely acceptable that hibernation is _____ sleep for animals

The old town has narrow streets and small houses ________are built close to each other