勾出
4.Listen to the following words. You will hear them only once. Tick the right vowel in each word when you hear it.
5.Author Tom Wolfe wrote that Las Vegas is the only town in the world where the signs make up the skyline.
7.With its pull-back motor and smash-apart action, the hood and side spoilers pop off on impact, then reset for the next crash!
8.In this paper, we generalized the Pythagorean Theorem and C-osine law from the new point and we have got a few the simple proper uses of the result that we have made.


