根据所学内容填空。 1. Do cross the street ______the traffic lights or safety crossing. 2. Don’t _____on the stairs. 3. Do ______at the traffic lights or safety crossing. 4. Don’t _____ tall trees. 5. Don’t run ______the stairs.
根据所学内容填空。 1. Come on, kids. It’s time ______cook the noodles. 2. Be______. Don’t run near the hot water. 3. The knife is______. You may cut yourself. 4. Watch______, everyone. The floor is very wet. Don’t walk there. 5. Don’t ______a fan.
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