—Why are you so depressed? —I _____ my MP4 player on the bus.
—________leave at the end of this month. —I don’t think you should do that until ________ another job.
If you are feeling so tired, perhaps a little sleep would _______.
—How did you find your visit to Qingdao, Joanna? —________.
Many countries are increasing their use of natural gas, wind and other forms of _______.
Susan is on a special ________ to lose ________ weight.