使用和装卸生石灰、菱苦土、凝聚剂及漂白粉等药品的工作人员，应熟悉药品的特性和操作方法。工作时应穿工作服，戴防护眼镜、口罩、手套，穿橡胶靴。在露天装卸这些药品时，应站在上风的位置，以防吸入飞扬的药品粉未。
She was too shy to speak____.
There are many ___to do so for the participants.
__ you accept our offer, please cable us or our confirmation.
Perhaps the customer has ____ his monthly statement and not paid the bill.
His companions have threatened to__ his crimes to the police.
I still remember the days ____ we studied together.
The city government has determined to get _____ with people who try to escape payingtaxes.
What is Bill going to do?
We are pleased to _____ you that 6000 dozen of shirts under Sales Confirmation No.C123, L/C No.5678 havegone off on S.S. "Dongfeng"
---Would you like to go out for a walk with us?
---_____, but I must finish my homework first.