The student................... was selected to join the space program is my brother’s friend.

• who

• whom

• x

• which

They showed me the place ................ the spaceship landed last week.

• when

• why

• which

• where

David introduced me to the woman ..................husband is working for NASA.

• whom

• who

• whose

• x

The astronomer ............ you want to meet is going to present a paper at the conference next Friday.

• which

• when

• whose

• x

The twenty-ninth of May is the day..............our astronauts will be returning home.

• that

• where

• which

• when

The man with ................. Mr. Khoa is talking has flown into space three times.

• who

• whom

• x

• that

The satellite ............... was launched into space yesterday belongs to Viet Nam.

• when

• where

• that

• x

The space age began in 1957............the Soviet launched Sputnik 1, the world’s first man-made satellite.

• when

• which

• where

• x

An astronaut is a person .....................travels in a spacecraft into outer space.

• which

• whom

• that

• x

The book ..................... I’m reading is about the history of space exploration.

• who

• whose

• where

• x