题目内容
Along with the letter was his promise _______ he would visit me this coming Christmas.?
| A.which |
| B.that |
| C.what |
| D.whether? |
B
that从句是对promise的解释、说明,不存在修饰作用,为同位语从句,故选B。如选A,应引导定语从句,起修饰作用。?
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