It is vital that the work _______ in time.【单选题】
17 查阅
It is vital that the work _______ in time.
A. is done
B. be done
C. are done
D. was done
参考答案:
It is vital that the work _______ in time.
A. is done
B. be done
C. are done
D. was done
参考答案: