--Did the book give the information you needed? --Yes. But ________ it,I had to read the entire book.
His ability is beyond question; ______ has been in doubt is ______ he is prepared to work hard.
Most people would agree that nuclear science should be developed to benefit the human beings_______ harm them.
Many new means__________ to prevent the river ____________.
I like _____ in the spring when the weather is warm and everything begins to grow.
Is it to hold the 2010 World Exhibition _______ makes Shanghai the focus of the world?