28. This is the road ________ the mountain.
You have to learn how to be a ______ first, and then to be a student.
______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.
Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
. You will see this product made in this factory _____ wherever you go.
_____ the big snake, the little girl stood under the tree _____ to death.