Here comes the train. Let’s_____.

Parents are supposed to monitor their children on the Internet, in case some bad information would teenagers’ mind.[ ]

It was unbelievable that the fans waited outside the gym for three hours just ______ a look at the sports stars. [ ]

下列词语中，没有错别字的一项是（ ）

Do you know the mission of the volunteers?—NoBut I think _____ they will end up doing there will promote public awareness of environmental protection