Please remember _______ the plants while I’m away.
As you know, the output of cars in 2010 is five times _______ it was in 2000 in the factories across our country.
_______ medical issues, we also have to face moral and legal issues when cloning human beings.
The top leaders of the two countries are holding talks in a friendly _______ .
The suggestion that the headmaster the prizes was welcomed by every student.
After the beautiful vase on the table carefully, he himself on the floor.