题目列表(包括答案和解析)
6. Measures have been taken to prevent accidents, but much ______ for more improvement.
A. remains to be done B. is remained to do
C. remains to do D. is remained to be done
Measures have been taken to prevent accidents, but much ______ for more improvement.
A. remains to be done B. is remained to do
C. remains to do D. is remained to be done
Measures have been taken to prevent accidents, but much ______ for more improvement.
A. remains to be done B. is remained to do
C. remains to do D. is remained to be done
6. Measures have been taken to prevent accidents, but much ______ for more improvement.
| A．remains to be done | B．is remained to do |
| C．remains to do | D．is remained to be done |
Measures have been taken to prevent the accidents, but much _____ for more improvement.
| A．remains to be done | B．is remained to do |
| C．remains to do | D．is remaining to be done |
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