Two lawyers were told not to leave the building but no reason for this _____ was given.

The traffic rule says young children under the age of four and________ less than 40 pounds must be in a child safety seat

(2013·成都第二次诊断)As the road to the airport is under reconstruction, we'd better ________ early to avoid the traffic jam.

I would rather ________ to work after my graduation, but my father would rather I ________ abroad for further education.

They are broadening the bridge to       the flow of traffic.