A survey of the opinions of experts that three hours of outdoor exercise a week is good for one’s health. A. show B. shows C. is shown
--- You did well in English. Could you help me with my English? --- ________.
--- David. Why are you still here? They are ready to start. --- Sorry, but I when to leave.
I hear Mr Brown lives here, but I’m not sure .
Since you are tired, you’ d better and have a good rest.
Don’t cut in line when you the bus at the bus stop.