The police ________ roadblocks on routes out of the city to prevent the criminal from escaping. [ ]

Mr. Green, what’s your job—______. I’m in No. 1 Middle School.

I noticed her eyes ______, becausethey were very large and beautiful.

Would you mind lending me your bike ——_________.

Many people believe we are heading for environment disaster ________ we basically change the way we live.[ ]