My work is ________ dangerous.
—Are these books ________? —No, they are not mine. They belong to ________.
—I’ve practiced a lot, but my spoken English isn’t improving. What should I do? —Why don’t you ask your teacher for his ________?
Betty is going to London. But I don’t know ________.
There are some trees near our school. They ________ last Monday.
─______ are your family going this summer holiday? ─To Dalian. We’ll stay there for a week.