Your immediate reply should reach us not later（）the end of this month.

Please take the necessary steps（）delay.

填空题Please take the necessary steps（）delay.

We hope that you wil look（）the cause of the defective g...

填空题We hope that you wil look（）the cause of the defective goods.

（）you know,this is a popular brand,which can see easily...

填空题（）you know,this is a popular brand,which can see easily in our market.