The number of students in our school _______ 4,000 and a number of them ______ good at playing Ping-Pong.
What present did you give Carl _____ his birthday?
— _____ is your teacher’s desk? —It’s about 140 centimeters long.
—_____ you at school yesterday? —No, I _____ at home.
Tom was born _____ London _____ May 1st, 1989.
December is the _____month of the year and it’s the _______month of a year.