根据句意及首字母提示在横线处填上恰当的单词,使句子意思完整,语法正确。 1. The desserts are very delicious. Have you t_______ them? 2. The price of the car is i_______ so fast that I can't afford it. 3. He is a v_______, so he eats mainly vegetables. 4. —How well Mary sings! —Yes. She has a s_______ voice. 5. Be careful when you cross the m_______ road because there are many people and cars on it. 6. Lei Feng, a great soldier, will live in everyone's h_______ forever. 7. You can't e_______ to learn a foreign language in two months. That's impossible.