Clearly and thoughtfully________, the book inspires confidence in students who wish to seek their own answers.
Tom ____ skating, so he spends all his spare time on it.
Having retired(退休), he ______ the club for old men and plays chess every day there.
Neither of them knows the difference ________ the two and neither can we tell one ________the other.
At the meeting, the old man ______ some good advice about bringing down the market price of housing.
It is nice to hear from a close friend. ______, we last met more than thirty years ago.