—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
9. Mike must be angry with me, for he walked____me without even saying hello.
My house is the one with a red roof on the street. It ____ and you can find it easily.
----You must find one exam after another very tiring.---- ________. In fact, they offered me good chances to apply what I had learned.
We tried hard, and eventually, we were able to get Mike ____us his car just for a day.
Susan started to clean the room; __________Lily was preparing lunch.