They were_____ popular that their fans formed clubs in order to get more familiar_____ them

下列各组句子中不全含通假字的一项是（ ）

Eating too much fat can _______ heart disease and cause high blood pressure.Which of the following is not correct

Do you think it’s a good idea to make friends with your students ? — ________,I do I think it’s a great idea

My room gets very cold at night.–__________.