It’s generous ________ them to give food and clothes to homeless people. They think it important________ them to provide places for homeless people to stay.

It is reported that a lot of adults take lessonsonline _______　further education.

We can see only one of the doors ______.

The fact that many college graduates getlower salary than some workers has ______ an online debate

Who are playing football in the gym now________ the students from No 1 Middle School