【题目】Every year many trees ____ along the streets to make our city more beautiful.

【题目】—It's getting dark.

【题目】The task is very heavy for one person to finish in such a short time. Let's ____.

【题目】Jim can't take part in the race. We'll ask ____ to go instead of him.

【题目】Li Yan is a helpful girl. She always ________ my little sister while I'm away.

【题目】If you have ____ news about it, please call me.

【题目】Do you know the answer ____ this question？

【题目】The supermarket ______ delicious food.

【题目】The journey was _______ interesting experiences.

【题目】To learn a foreign language well, we must ________ a good habit of reading.