He seems too tired today, and I wonder _________ he got a good sleep last night.
题型：不详难度：来源：
| He seems too tired today, and I wonder _________ he got a good sleep last night. |
答案
| C |
解析
试题分析：句意：今天他似乎很累，我想知道他昨晚是否睡了一个好觉。A. when 什么时候，B. that连接宾语从句的时候，没有含义，C. if是否，D. where哪里，所以选C。 |
举一反三
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