问题
选择题
Jack felt grateful to his teachers ______ he couldn't find words to express it. [ ]
A. as if
B. even if
C. so that
D. now that
答案
答案：B
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Jack felt grateful to his teachers ______ he couldn't find words to express it. [ ]
A. as if
B. even if
C. so that
D. now that
答案：B
