【2015黑龙江绥化】7._______ Tom _______ Nancy can help us. We have to ask others for help.
A. Both; and B. Either; or C. Neither; nor
7. C
【2015河南】30. ______ we keep our hearts open, we can experience the happiness brings us.
A. Since B. If C. Unless D. Though
30. B
【2015海南】35. —How is Nancy getting on with her lessons?
—She won’t catch up with others ________ she studies harder.
A. after B. unless C. as soon as
35. B
【2015陕西】27. ____ you smile at others, they will smile back.
A. Before B. When C. Until D. Though
27. B
