If Tom had spent more time studying, he able to do well in the test now.
--- 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.