单词拼写 1. He __________ (假装)to be doing his homework when the teacher came in. 2. We were impre ssed by the ruins of an __________(古代的) building. 3. 31. Man should protect __________ (野生动物)for his own existence. 4. The amount of rain a__________(影响) the growth of crops. 5. Seeing him struggling in the river, we came to his (营救) at once. 6. A __________ (音乐家)is a person who performs or writes music, especially as his/her job. 7. Day(圣诞节) is December 25th. 8. The automobile caused a __________(革命) in our way of traveling. 9. He seized the great (机遇) and got famous in the country. 10. He __________(代替) his brother as captain because his brother was ill.