—What’s the low-carbon (低碳的) lifestyle like?—Save ___________ energy, produce ___________ carbon.A. less; more B. less; less C. more; less
—Who’s calling, please?—Oh, ______.
I don’t feel like ______ anything. I feel terrible.
I remember ______ the window before I left but now it’s open .
She parked her car outside the window ______,but next morning she found it missing.
There’s smile on the teacher’s face. I think she’s ______ our work.