However busy we are, we need to take exercise. Not only___________us keep healthy, it also stops us getting fat.

A passenger ship carrying 458 people sank(下沉) _______ about 9：28 pm_______ the night of July 1 in the Hubei section of China’s Yangtze River.

Mr.Yuan is ________ about making predictions about the success of the farming programme because it is so important.[ ]

下列各句中，表达得体的一句是

English is _______ important subject, so we must learn it well.