All the settlers nearby demanded that the night club       away as soon as possible.

—Who has made a mess in my room?—Who else       it but your naughty son?

The scientists recommend that studies ________ to find out what side effects the medicine might cause.

I don’t speak any French. I wish I _______ harder when I was at school. 

I must go there earlier. John has suggested that I _____an hour before the discussion begins.