●Exercises for new words
(生词专练)
Ⅰ.Complete the sentence according to the sentence meaning and tip.
(根据句意和提示完成句子。)
1.Has it reached (火星) yet?
2.The journey has taken (数月).
3.We haven’t found life on other (行星)yet.
4.The sun and its planet are called (太阳系).