.To improve your health, you can _________ 25— 30 minutes three or four times a week to do simple things such as walking ,cycling or running .

It is only when an NBA player has aged and beenthrough many battles ______ he learns an important lesson: there is no “I” in“team”

Shall we meet at the station at 7 am—In fact, we _______. The train _______ until 9 a.m.

Would you like me to take you to the new shopping centre— ___________. I’ve been there once.

He asked Mary whether she had passed the exam________．