Did you remember the days ________ we studied in the university?—Certainly.Especially the hard times ________ we spent together.

______ you eat the correct foods ______ be able to keep fit and stay healthy.

Has your brother ever been to the Sand Lake––Yes, he has _______ the Sand Lake manytimes.

He decided to forthe new position after he took everything into consideration.

Anyone ______ trying to take knives on board flights would be caught by the police.