—Listen! Who _____ in our classroom?—It must be Steve. He ______ very beautifully.A. is singing; singsB. is singing; is singingC. sings; is singing
She is the girl________invention got the first prize in the school competition.
That’the most beautiful place________I have ever________.
The place________he works is in the factory.
The coat________he is wearing today was bought by his aunt.
We called the man________had promised to help us.