Here are all the books I have.You may borrow _______ you like.
In recent years much more emphasis has been put______ developing the students productive skills.
_____ of water makes Death Valley a desert, but it is by no means devoid.
There are some police cars in front. What do you suppose _____?
Tina _____ have known the truth, or she would have told us.
_____ their real economic situations, they got some relief fund from the government.