— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.— Oh, it __________ my younger sister. She was in my room at that moment.

—My daughter mastered English in less than two years. —Did she? She________have a gift for languages.

Brain, like muscles, also needs some kind of exercise and nutrition. The more you use your brain in the right direction, the more you ________ enhance your ability.

I want        a book for my granddaughter Linda who is 2 years old.

Susan’s parents have bought a large house with a swimming pool.It      be very expensive.