—Have you heard from Nelly recently?— Yes, I _________ his letters and cards many times while I was in Italy.
--- He worked out such different questions at a very young age.--- Oh, he ______ a very smart student then.
In our childhood, we were often ______ by Grandma to pay attention to our table manners.
Many lifestyle patterns do such _____ great harm to health that they actually speed up ____ weakening of the human body.
Stay awake! You should know that it ________ to sleep in class.
________ made the parents proud was________ their son had been admitted to a key university.