— How do you know so much about what’s going on in the countryside?— I’ve got a friend there who keeps me ________. 

_________ in a heavy rain，Robert fell ill and couldn’t help but _________ for a leave.

Every minute must be made full use of________spoken English.

    how to work out the difficult physics problem ,he asked the teacher for help .

 The murderer stood before the policeman, his hands ________ on his back, trembling.