In class the teacher ___ the finance project in simple but vivid language to make it easier for us to understand.

The samples__________in quality but were general acceptable．

All the　　　 newspapers　　　 the trade talks between China and the United States.

After the meeting was over, the secretary _____ the new workers to the master’s office.

After going into the concert hall, the mother _____ a friend and went over to greet him.