–Come on, please give me some ideas about the project.
--- Sorry. With so much work _________my mind, I almost break down.
A filled      B filling      C to fill       D being filled

The time and effort he has devoted during the past few years ______ trees in that remote area is now considered to be of great value.

When he looked up，he suddenly found himself________by a group of teenagers，________looked at him anxiously.

Mr. Smith’s doctor suggested him_______ cold food these days.

I felt greatly honored ____ when I took part in my friend’s birthday party.

The first thing ________ I did was to see if there were any products ________ might help me, but there only seemed to be powders ________ to kill snakes.

_______ from the top of the mountain, we found the city more beautiful.

The patent officer ______ with my file explained to me that a plant variety is not a/an _______ invention as it is a result of adjusting growth scientifically.

Seeing the picture, I couldn’t resist ______the days_____ we spent together.

The plan to be carried out next month needs _______ among the members of the labor union before _________ .