The rainbow ____(appear)until the sun came out.
问题描述:
The rainbow ____(appear)until the sun came out.
答
didn't appear .此句主要考察not……until 句型.句意为:知道太阳出来彩虹才出现.
The rainbow ____(appear)until the sun came out.
didn't appear .此句主要考察not……until 句型.句意为:知道太阳出来彩虹才出现.