IT IS THE FIRST TIME I (TAKE) AN EXAM LIKE THIS.

33. - DETHIHSG COM–DAP AN VA DE THI HOC SINH GIOI MON ANH VAN LOP 10 SO GD
DETHIHSG COM–DAP AN VA DE THI HOC SINH GIOI MON ANH VAN LOP 10 SO GD

33. It is the first time I (take) an exam like this.