________anyone phone, tell them I’m in conference.

_____ you come to Brunei, you would have to take off your shoes before going inside someone’s home.

 It was Mr. Zhang that helped us out of the trouble. Without his help, we ______ it so easily.

He suggests we ____ to the cinema at once, otherwise we ____ late. 

 If I _______ that program the day before yesterday, my computer wouldn’t have broken down.