—Are you done with the book I gave you?
— ________. I'm still reading the last chapter.
A ． Hard to say B ． Not quite C ． Of course D ． It all depends
We all need to get involved in saving energy ________ it's at work, at home, or at school.
A ． unless B ． once C ． whether D ． because
We ________ quite enough work for the morning; now let's take a break.
A ． have done B ． will do C ． had done D ． were doing
While rock-climbing, you need to remain very ________ so that you won't make any dangerous errors.
A ． satisfied B ． focused C ． amused D ． delighted
Students are encouraged to take control of their own learning, ________ just depending on the teacher.
A ． rather than B ． regardless of C ． due to D ． in terms of
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