This quiz focuses on the use of IN, AT, ON, BY ETC.  to talk about time. If you think that there is more than one possible answer (rare), choose the one most commonly used. The dialogues are in everyday English.

Use the timer if you want more of a challenge. However, you only see your mistakes and the correct answers at the end.

Without the timer, you see your mistakes immediately, and also at the end.

• If you click on Without Timer: Easy, the quiz gets easier as you proceed.
• If you click on Without Timer: Hard, the quiz gets harder as you proceed.