—I bought this shirt for 35 yuan yesterday. —It’s on sale today for only 29. You should have waited. —Oh, really? But how ________ I know?
In recent years, the ______ dry heat had led to a series of natural disasters.
Not until I came home last night ______ to bed .
I think you should think twice .Once ______, the decision won’t be easily changed .
The boy said he hadn’t broken the window ______ and would pay for it by doing a part-time job for Mrs . White .
Many interesting activities will be _____ in the summer camp to attract children .