Rebecca ________ to Shanghai and she won’t come back until next Monday.
---- Do you know how to prevent (预防) the H7N9 flu? ---- You can ask the doctor for some ________.
He was riding to school it began to rain.
---What ________ he say to you just now? ---He told me that he ________ his key in the room.
I love the dress. It’s ________.
Teachers often tell us in the river after school.