1. My phone's ____ is 6.67 inches, which is quite big.

A. screen B.weight C.gigabyte D. memory

Correct Answer: A. screen

1. What ____ people doing when the UFO appeared?

A. is B. are C. was D. were

Correct Answer: D. were

1. Without modern science and _____ humans cannot travel to the moon.

A. technological B. technician C. slowlier D. technologically

Correct Answer: D. technologically

1. My mom cleans the floor ____ than a vacuum cleaner.

A. more fastly B. more slowly C. slowlier D. the slowliest

Correct Answer: B. more slowly

1. The robot can ____ the faces and voice of different people and respond to their commands.

A. listen B. react C. recognize D. create

Correct Answer: C. recognize

1. I ____ home from work one night when a strange light ____ in the sky.

A. was walking/was appearing B. walked/appeared C. walked/was appearing D. was walking/appeared

Correct Answer: A. was walking/was appearing