The winner of the singing competition was a ____ girl called Zhang Mei from China. A. 19-years-old B.19-year-old C. 19-year-olds.
Let’s go climbing if it _________ tomorrow.
I saw him _______basketball with Jack an hour ago.
The man in the office ____be Mr. Black because he phoned me from London just now.
My father returned at 10 o’clock ______ of June 15.
Who taught ______ math last year?