题目内容
How he _______ get out of the prison ______ a mystery.
- A.could; is
- B.can; is
- C.was able to; remains
- D.able to; remain
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How he _______ get out of the prison ______ a mystery.
A.could; is |
B.can; is |
C.was able to; remains |
D.able to; remain |
How he _______ get out of the prison ______ a mystery.
A.could; is | B.can; is | C.was able to; remains | D.able to; remain |