用所给词的适当形式填空,每空一词。 1. Last summer my friends and I went ______ (camp) in the forest. It was exciting. 2. Her mother went out a moment ago. She is ______ (babysit) her little sister. 3. Just now I ______ (hear) him play the violin. 4. —What are Liu Ying and her classmates doing for vacation? —They are going______ (hike) in the mountains. 5. I am______ (plan) to have a relaxing vacation. 6. The company (公司)______ (send) some engineers abroad last year. 7. —What are they doing for vacation? —They are______ (relax) at home. |