Three fifths of the teachers in our school are .( )
A.man teachersB.men teachers
C.woman teachersD.women teacher
– Listen ! Is Professor Johnson giving a report in the hall? – No, it _______ be him. He has gone to America.
You ________ cross the road when the traffic lights are red.
---- go swimming with Dad , Mum? ----No ,you needn’t. You can go bike riding.
--- Who’s singing in the bathroom? --- It ________ be Mr. Brown. Nobody sings like that except him.
—You_________ be happy with the strong public support you’ve received. —Yes, you’re right. I’m really excited.