Keep in mind: your efforts will ______.Don’t let one or two failures over the year get you down. A take off B. put off C. pay back D. pay off
--- What’s the time? --- Oh, I forgot to have my watch ______.
The radiation amount of a mobile phone for two half-hour periods per day is equal to ______ to an X-ray for ten seconds.
Yifu library was named ______ a businessman devoted to China’s education.
The boy knocked down by the car stood up all by himself , _____unhurt.
——I think the book is as interesting as it is instructive. —— It could never be____.It is well worth reading.