The man in a black suit _______ be our youth worker. — I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.

________ can you finish this English examination?– In about one and a half hours.

Have all the students know that our class will visit the factory this afternoon.— Yes , Every student ________ about it.

―I think it’s too late to apologize to Kate.―Never mind. _______.

Japan is ______ the east of China.[ ]