Please put one teaspoon of salt into the water, then ______. |
A. mix up it B. mix it up C. mix up them D. mix them up |
—How much chicken do you need in the bread? —______ |
A. Three B. Two slices C. Not too many D. Much too |
When winter comes, the days get _____ in Beijing. |
A. short and short B. shorter and shorter C. long and long D. longer and longer |