I want to know if they _____ the spring sports meeting next month. If they ___ it, I must get ready for it.
From the dates on the gold coin, we know that it was made 500 years ago.
--- Haven’t I told you that you should be home earlier? --- Yes, but I home earlier than I usually do.
He collected information on 1,000 people, whose IQ when they were ten years old.
Put on your coat! I you down to the doctor.
increasing the distance of your walks, you may lose more weight.