Every man has his faults. We should, therefore, learn to be ______ of others.
The flowers _________ my mother, but my sister thought they were for her and took them.
She had just finished her homework_________her mother asked her topractice playing the piano yester-day.
The manager told her_________to post the letters by 3:00 in the afternoon.
Theboy wanted to ride his bicycle in the street, but his mother told him_________
The general ordered all the soldiers _________ alert (警惕的).