题目内容
I can’t imagine why he didn’t stick to his promise____he would do his best to buy me a new bike.
| A.which | B.that | C.what | D.as |
B
考查名词性从句。句中that引导同位语从句,解释说明名词promise,故选B。
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| A.which | B.that | C.what | D.as |