Our teachers are very friendly to us. We _____ friends since three years ago.A. have been B. have become C. would be
I can’t go to the movies with you.I have to stay at home and________my sick sister.
The students are interested in English and they all hope________an English club.
She can play the piano________than me.
The firefighters tried their best to________the forest fire.
The first question is________harder than the second one.