Some plants can take in carbon dioxide we breathe out and give ______ oxygen to us.
The boy wanted to ride his bicycle in the street, but his mother told him _______.
We desire that immediate help _____ to the local villagers who have been trapped by the flood.
They ______ him to prepare for the coming exam, but he spent all day playing computer games.
We didn’t know his telephone number, otherwise we ________ him.
She doesn’t mind being ____ as long as there are enough books to read.