________ along the Silk Road led to world-wide business 2,000 years ago.

The bus driver insisted that he_____ at a normal speed and therefore _____for the child’s death.[ ]

Was it through Li Ning, ________working at a high school, ________you got to know Wangke?

________my mathematics is very poor.Don’t worry I’ll help you________ I can

The people in the Kiss Nightclub were trying to escapefrom the fire but were ______ in smoke