Mr. Fan ___ this watch in 2005. he ____ it for 6 years.

Listen! David is talking happily with his mother in the next room.　— It ______ be his mother. She has gone to Yunnan to be a volunteer doctor.

Elworth’s barn burned down, but they saved what cattle _______ were in the barn.

There a dolphin show in the zoo tomorrow . -Great ! Let’s go to see it together.

Miss Li, are we going to have a picnic tomorrow?—Yes. But if it ______, we’ll do some reading instead.