【推荐1】The two children want to ________ (挖掘) a hole to plant an apple tree.

【推荐2】First, d________ a hole. Then, put the tree into it.

【推荐3】After ________ down about 30 meters, they found a big iron box. (dig)

【推荐1】根据下列句子及所给的汉语注释或通过上下文，在答题卡标有题号的横线上，写出空缺处各单词的正确形式。每空只写一词。
1. Can you help me find those __________ (乘客) luggage?
2. If everything goes __________ (顺利), you will get your driving licence in three months.
3. He __________ (后悔) not having bought the jacket and felt quite upset.
4. How often do you change all the __________ (电池) of the clock?
5. How much did you spend on your __________ (混合动力) car?
6. Has __________ of you two watched this movie before?
7. Nowadays, more and more people have been __________ of the great harm of smoking.
8. The seeds of the plant are often __________ by the wind.
9. People might float in space because of the low __________.
10. —Hello! I’d like to speak to Lisa.
—Hello! Just __________ on and let me see if she is in.

【推荐2】Your words really ________ (产生效果). Jim practiced harder than before.

【推荐3】I’m sorry I ________ (break) your ruler yesterday.