30. They appeared ____ me, so I had to explain to them.
It was a pity that the famous painter died _____ his work unfinished.
In some western countries, ________ are called “public schools” are not owned by the public.
Most people in that area objected ________a golf playground there.
I asked her whether she had done all the work herself ________ whether she had had asked sb. for help.
—These boxes are too heavy for him to carry.—Here, I’ll give you a hand________them.