---What are those?---________.
—_______ of volunteers will be needed for 2014 International Horticulture Exposition in Qingdao.—Let's go and _______ them.
—When_______ you_______ your friend Judy?—Last week. I _______ her letter for five days.
—Can I _______ a book from you?—Certainly. But you mustn’t ______ it to others. And please remember you can only ______ it for a week.
Mary didn’t know who _______ the problem she met with at that time.
—_______ I wash the clothes now?—No, you _______. You _______ clean the room first.