When he walks _____ my desk, he often knocks my books ______ the desk.

There is somebody knocking at the door. Who________ it be?—I’m not sure. It ________ be a postman.

is that caser?—It’s white.[ ]

My parents are ____________ me because of my good grades in all subjects.

Are there ____ kites in the picture ?— Yes, there are ____ .