English Learning Game play online

This is a game for learning while playing.
In order to protect the city from attack from unmanned aerial vehicles (UAVs), it is necessary to use the correct corresponding missiles. After shooting the UAV, the player must click on the answer that appears to get the bonus. If this sentence touches the city or the UAVs shoot down all 4 bullets, the player will lose. The act of touching the answer to remember the correct word usage.
Tip: The UAV will gradually increase in speed. You can press the HELP button to pause and review the theory a bit to determine the correct answer.
Wish you have fun learning and playing the game at the same time.