Hurry up! The bus is coming.–Wait a minute. Don’t cross the streetthetraffic lights are green.

Where have you been recently?— I ________ in Beijing on business for a week last month[ ]

Dad advised us to practice _____ our tent in the yard several times before we went camping.

He office in 2000 and office a year later.

Could you please help me clean the living room– ,mum.