you must enter a valid e-mail address什么意思

you must enter a name and a You must enter a valid PIN You MUST enter a vaild email address. You must enter a valid birthdate. you must enter a valid e-mail address什么意思 You must enter a valid e-mail address 是什么意思 You must enter a name yo continue with installation You must enter avalid credit card number You must enter a valid 5 digit zip code if you live in the United States. You must enter a valid address.这个是什么中文意思?有助于回答者给出准确的答案 must ask(a,an,无)permission before you enter the room选哪个 Your Message must be between 10 and 160 characters.You must supply a valid country to enter the competition.You must select a country.三句各是什么意思?急! you must ____(knock)on the door before you enter you must enter your real first and last you must be at least tevel 19 to enter you must enter at least one of the followong:wmail You must enter the room password. 中文什么意思 英语翻译ANIMAL PHOTO COMPETITIONRules of entry1.Those who enter the competition must be under the age of 18.2.To enter the competition you must send in three photograpgs of animals which you have taken yourself.Both you and a parent must sign the