________ you are unable to deal with it, perhaps we should ask someone else for help.
It was in the Lake District _______ the poet William Wordsworth spent much of his lifetime.
—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?—No, I didn’t. I _______ it twice in Denmark.
My cousins _______ me and ask me what I was doing when I was studying in Canada.
Larry and his wife were killed in the volcanic eruption, _______ their 5-year-old son alone in this world.
Make ______ a habit to put whole-grain biscuits, nuts or raisins in your backpack.