--- Can I borrow a ruler ________ you, Mike? --- OK. Here you are.
Could you give me _______ about improving my English?
--Dad, could you tell me _______?-- In half an hour.
--Jack, how about going camping if it_______ tomorrow?-- Sounds great!
We must do something so that there will be _____ pollution in our city.
______ the blender. Let’s make some milk shake.