A turning point of the continuously high housing price won't appear suddenly because there must be a certain process _ many factors lead to the change.
.She reached the top the hill and stopped ______on a big rock by the side of the path.
Tom kept quiet about the accident ___lose his job.
.-Shall we go skating or stay at home? -Which _______do yourself?
It is foolish ______such a mistake.
I don’t think it advisable_______.