had never occurred to him that he might be falling in love with the new school.
Up to now, doctors ___ able to do very little to treat this disease.
No wonder the children are excited—this is the first time they’ve been abroad.
—Excuse me, can you show me the way to Baiyun Middle School? —Sorry, I don’t know. I’m a stranger here. —___.
I came back again,___ sure I had locked my door.
It is highly _ __ that, in many schools, they are going to spend less time in the classroom than they used to.