Pick the correct verb to agree with the subject. If the subject is singular, pick the singular verb.
If the subject is plural, use the plural form of the verb.
Pick to start the clock.
"This was such a wonderful resource that will be put to use for years to come."
Too much outdoor light at night _ light pollution./0/causes,cause
City lights _ a glow that blocks stars from view./1/causes,cause
A planet _ its position constantly./0/changes,change
The stars _ slowly over billions of years./1/changes,change
The moon _ around the Earth. /0/moves,move
The planets _ around the sun./1/moves,move
Jupiter _ around every ten hours./0/spins,spin
The planets _ around on their axes. /1/spins,spin
It _ a year for the Earth to complete an orbit./0/takes,take
Stars _ billions of years to burn out./1/takes,take
The sun _ light to the planets./0/gives,give
The stars _ light to the planets./1/gives,give
Mars _ greatly from Jupiter in size./0/differs,differ
The planets _ from one another in size./1/differs,differ
A telescope _ us see the planets./0/helps,help
Telescopes _ us see the stars./1/helps,help
Scientists _ that the Earth is round./1/thinks,think
A rocket _ into space./0/blasts,blast
Rockets _ into space./1/blasts,blast
Saturn _ like a big ball with rings./0/looks,look
The planets _ like stars in the night sky./1/looks,look
The largest moon crater _ a huge area./0/covers,cover
Craters _ much of the moon./1/covers,cover
The Alpha star _ the brightest./0/shines,shine
The stars _ brightly in the night sky./1/shines,shine
The Earth _ warmth from the sun./0/gets,get
Comets _ warmer as they get close to the sun./1/gets,get
A meteor _ up as it drops towards Earth./0/burns,burn
As meteors _ they create a streak of light./1/burns,burn
A comet _ across the sky./0/shoots,shoot
Comets _ across the sky./1/shoots,shoot
A total eclipse of the sun _ rarely./0/happens,happen
Lunar eclipses _ often. /1/happens,happen
The moon _ around the Earth./0/orbits,orbit
Planets _ around the sun./1/orbits,orbit
She _ a shooting star./0/sees,see
They _ a comet./1/sees,see
He _ to the group to look up./0/shouts,shout
The children _ when they see the meteor./1/shouts,shout
He _ all the constellations./0/knows,know
Astronomers _ a lot about the stars./1/knows,know
He _ through the telescope./0/looks,look
We _ through the telescope./1/looks,look
Brian _ to see the eclipse./0/hopes,hope
The students _ to see an eclipse./1/hopes,hope
The boy _ Venus in the sky./0/spots,spot
We all _ Venus in the sky./1/spots,spot
Noah _ until it gets dark./0/waits,wait
The students _ until it gets dark./1/waits,wait