The old professor asked us ______ we read books in our spare time.
. Do what you think is right, ______ you will gain a surprising happy ending.
.Can you tell me ______the railway station?
.It was obviously that the man ______ driving on the free way for almost an hour when he ______ that he must come back.
Customers are asked to make sure that they________the right change before leaving the shop.
.The patient was warned ______oily food after the operation.