He studied the project carefully, determined ______ it ahead of time.
It was very kind of the boy to tell us ________ the location of the newly-built railway station, so it only took us about ten minutes to find it.
The old man sat down and looked at me with a(n) _______ look on his face, which made me suddenly realize that I was still a helpful person.
There has been a _______ increase in the temperature on the earth for about 100 years, but few people notice it.
Though Mr. White is very busy with his business all day, he still _________ his three children and tries his best to get along well with them.
Whether at school or at home, children should be encouraged to read books and ______ what may be useful to their study.