1 . ________ felt so good to have a proper conversation with my friend for over two hours, without being distracted by messages from other people.

A．What

B．As

C．I

D．This

2 . My close friends，after they heard about my experiences in South America，________ said it was totally out of their imagination.

A．which	B．them
C．all	D．who

3 . Space exploration is something that China has done to create jobs in a high-tech industry, to show “______ don’t just make cheap clothes”.

A．We

B．You

C．They

D．I