Mrs. Green treats her students as if they ________ her children.

When he arrived at the airport, Lee Minho found that fans were waiting for him there.

Some people think that Russia is in Asia, in fact it is European country.

It’s very late now. It’s time ______ goodbye.

The radio says that there was a terrible traffic accident sometime _________ 8 a.m. _________ 10 a.m. this morning.