Great changes ________ in that school. It is no longer _______ it was 20 years ago.
You can either have the double room or the family room,________ you want.
Last month, American scientists started working on _____ project aimed at improving _______ ability to predict earthquake.
-Does Bill do his new job well? -_______ his old job. I’m afraid there’s no hope for him.
. It’s impossible for a person______ a sense of responsibility to succeed.
.________ of the truth of the reports, he told his colleagues about it.