【题目】I’ll try ____ the same mistake again.

【题目】Li Ming isn’t ____ to reach the kite in the tree.

【题目】Let him ____ from the ladder at once. It’s too dangerous.

【题目】—What are you doing?

【题目】It took me an hour the homework yesterday.

【题目】H e left us without Goodbye.

【题目】He was ________ in his field. He finished his task ________．

【题目】The city is so big that I have lots of difficulties ________ the park.

【题目】When you walk in a busy street, you must ________ your eye ________ the traffic.

【题目】Be careful, or you will ________．