Could you tell me ______ it takes to go from here to Beijing by air? —About 50 minutes.[ ]

Many social workers went to Ya’an to help clean water and food to local people to reduce their pain from the earthquake.

There is a furniture store ______ Zhongshan Road. [ ]

Eating much vegetables is good __________ your health.[ ]

Mr Wang is very strict _______ us ______ English. [ ]