题目内容：

语法填空

阅读下列材料，在空白出填入适当的内容（1个单词）或括号内单词的适当形式。

Have you ever wondered whether there is life on Mars? The big Red Planet is a mystery to us but ____1.___ (hope) not for much longer.

On November 11, the Mars rover(漫游者) ___2.____(name) Curiosity started its journey into space. After eight months flying in a rocket, Curiosity covered more than 566 million kilometers and finally landed on Mars—according to BBC reports. The rover is there to find out ___3.____there is, or ever was, life on the cold, desert-like planet.

The place ____4.____Curiosity landed is called Gale Crater, a huge hole on Mars. Scientists believe that there was once water and even life there.  In order to do its job, Curiosity is filled with many useful tools, ____5.___it is only three meters long, about the size of a small car.

It has a robot arm that can collect soil and drill into rock. It also carries ____6._____ own laser gun. The gun can turn ____7.___small amount of rock into gas, so that Curiosity can study what the rock ____8.____(make) up of. ___9.____the help of these tools, Curiosity will act as a robot geologist. For the next two years, it will stay and travel inside Gale Crater, ____10.____ (collect) and studying rock and soil.