-- Director Wang, a man is waiting to see you outside, _______ he come in?-- In a moment. I' m busy right now.
____ the old mother’s deeds, all of us couldn’t keep back our tears and began to cry.
Knowledge is to one’s mind ______ food is to one’s body.
Generally speaking, ______ according to the directions,the drug has no side effect.
— Shall I give you a ride since you live so far away? — Thank you. _______.
_____ the bad weather,we enjoyed our holiday.