一辆汽车正在公路上行驶，有关汽车的说法正确的是（　　）

$\frac{3}{4}\times \frac{8}{21}=$ ____        $\frac{9}{14}\times \frac{7}{18}=$ ____

    Hello, everyone!____is a photo of my cousin. Tom's ____ in the photo. Tom is on the left side (一侧) and his ____is on the right side. Who's this man? He's Toms father. He's very ____. Tom has a dog, and the dog's ____is Lucky. It is brown. Tom likes his dog very much.

没有理想的人，他的生活如荒凉的戈壁，冷冷清清，没有活力。

没有理想的人，____。没有理想的人，____。