Whether ways will be found to stop pollution or not is just _______ worries the public.
They considereda computer, which was considereda great help in their work.
is reported, Shenzhou VI has returned successfully.
The advanced worker, _________to devote himself to the factory, has succeeded in developing new techniques of production.
I can hardly imagine peter ____ across the Atlantic Ocean (大西洋)in five days.
Many students insist that the choice of their courses and universities ______ their own interest.