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.
The doctor tried to laugh my brother ____ his fears about the coming operation.
—I like this dress better than that one.— ____, but it costs almost twice____.
We shall not start the project until it ____ by the committee.
What a great weight she felt _____ off her mind the moment she heard she had been admitted to a key university.
—Do you know ____ made him successful in his career?—Yes. His hard work and determination, of course.