Shi must be ( )when she hears the news.(worry)

Shi must be ( )when she hears the news.(worry) when i must be home这句话对吗.课文里是when must i be home. A Very Difficult Question!First,I must sey I am a Chinese,no an American or an English.Now,I will ask my question.I have a girlfriend,I love her very much.if I say I like you to her,shi will be very happy.But when I say I love you to her,shi will He must be ---- when he heard the exciting news You must be careful when crossing the street.改为祈使句 you must be ____(care)when you cross the street. 填空题 When you walk___the road,you must be careful. you must be careful when you （ ）the street So we must be careful when we use the Internet. You must be c_______ when you do your Maths homework. When destiny calls you,you must be strong She must be ___ when she hears the new. When someone says keeping smiling,he must be in The tide must be taken when it comes 改错When you greet with others,you must be friendly. children must be ____(dependence)when they grow up. we must be i_ when we grow up when you find true love when we must be properly grarp翻译,急