----Listen! Is Kitty in the next room? ---- No, it ______ be Kitty. She has gone to Beijing.
The lesson is easy for the students. You see there are _______ new words in it.
The teacher’s desk is _______________ our classroom and our English teacher likes standing _______________ it .
— Can I go to the museum this Sunday? — No. It is ______ only from Monday to Friday.
Where ________ Tom and Mike ________ from?
It takes him twenty minutes ________ the museum.