My best friend said, "I _____ help you move next week." A: able to B: be albe to C: must be able to D: will be able to

根据首字母提示，写出合适单词，补全句子。 写单词时把所给首字母一起写上，即所写的答案应该是一个完整的单词。I would p______ it if we had a bigger house, but we are not albe to buy one.