We must ________ to

Oh,Jack has broken his leg,we must ________ and take him to We must keep our country ________. We must hand in the exercises ,________ We must keep ________ of natur 10.I'm afraid we must leave now.--- ________ . We must brush our ________(tooth)every morning. In English class,we must talk ________ English. We must do _______ the Party ________ us. What must we have to keep healthy? ____Baby 、 We must learn to forget we must go to the cinema now We must ( )to school at seven thirty.