With the night falling, the crowd gathering around the accident scene began to_________.
I’d rather ride a bike as bike riding has _____ of the trouble of taking buses.
As a simple and convenient way to get ______ latest fashions online, online shopping also has ______ major problem — you can’t see whether they fit or not.
When ____ to danger and conflict, men tend to increase blood pressure, ______ nervous and anxious.
I lost sight of Wang Ping when we reached _________ looked like a large market.
According to the air traffic rules, you ___ switch off your mobile phone before boarding.