The first prototype ____performed better than the second one_____________________________.

 Researchers _____are able to explore distance planets thanks to advanced technology________________________________. 

The scientists ___were collecting data when the earthquake occurred__________________________________. 

1. What do astronomers use to study distant objects in the universe?

2. Can we predict all the changes futer technology will bring?

1 The robot adapts more easily to changes in its environment than expectd.

2 He saw a comet when he was camping in a mountain at night.

3 It's essential to handle electronic devices carefully to avoid damage.

1 Vietnam is developing new industries with the help of science and technology this year.

2 Scientists use special tools to explore space in search of signs of alien life.