Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.
The two sisters are_______ different in character --- one talks a lot while the other is a girl of few words.
I ______ the boy to save the money, but he would not listen to me.
He has been in bed ______ he fell off his bike a week ago.
The time Dr. Wang has devoted _____ the disabled in the past five years is now considered_____of great value.
-----Are you sure that the party came to ______ power in ______1960s? -----Yes.