----Does Liu Hua serve in the army?----No,but he__________in the army for three years.
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.
It’s an old car, it’s very reliable.
She came in forcoffee and told metraffic kept her awake last night.