necesery to complete the design before National day?

necesery to complete the design before National day? Is this necessary to complete the design before the National Is （ ）necessary to complete the design before the National D Is it necessary to complete the design before the National D before the National Day holiday翻译成中文 The National Day What are you going to do during the National day? 是 in the national day还是 on the national day? 英语作文:the national day 英语作文the national day The meaning of National Day, Before I handed the project design to Mike,he said George wa