Hi experts, I am always confused about the usage of than. Could you please help me?
Are the following sentences right or wrong, and why?
1. Gas prices in 2012 are higher than in 1997.
2. Gas prices are higher in 2012 than in 1997.
3. There are more books in box A than in box B.
4. There are more books in box A than books in box B.
5. There are more books in box A than those in box B.
6. There are more books in box A than them in box B.
I also have some other questions.
3. There are more
...
Are the following sentences right or wrong, and why?
1. Gas prices in 2012 are higher than in 1997.
2. Gas prices are higher in 2012 than in 1997.
3. There are more books in box A than in box B.
4. There are more books in box A than books in box B.
5. There are more books in box A than those in box B.
6. There are more books in box A than them in box B.
I also have some other questions.
3. There are more
...



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