Towards evening, the patient opened his mouth as if _____ something to his son.
Mary once taught English in a remote village school as a volunteer, which is ________ only on foot.
Cheer up! No matter how ________ you progress, you are ahead of those who never tried.
As the idea of lowcarbon life is now ________ accepted, more and more people travel by public transport.
Worried about the time ________, Mary had made a list of the sites she wanted to see in Beijing.
In order to keep fit, people eat ________ vegetables per person today as they did two years ago.