2.He had to lie down for a while ________ (rest) his legs.
问题描述：
2.He had to lie down for a while ________ (rest) his legs.
答
为你解答。
He had to lie down for a while (to rest) his legs.
他不得不躺下一会儿，给他的腿休息一下。
解释：空格中填不定式to do，表示躺下的目的。
答
2.He had to lie down for a while (to rest) his legs.