64.你务必参加这个会议.（It is essential that…）

64.你务必参加这个会议.（It is essential that…） It is essential that the program _________ into the computer it is essential that computer security professionals should（ AT shcool,it is essential that every child--equally regardle It is essential that these application forms ________ back a It is absolutely essential that William______his study in sp It is essential that everyone ___ what to do. It is essential that these application forms ___back as earl It is essential that these applicaton forms____backas soon a 汉译英五句,快.请务必准时参加会议.（be sure）你一定要更加注意你的发音.（pay attention to）JO I think it essential that...为什么不用 I think it is.. This is a very difficult operation.It is essential that you