WorksheetsGrammar Skill 1-6
Total questions: 6
Worksheet time: 3mins
NASA's Lyndaon B.Johnson Space Center _____control center for the Mercury, Gemini, and Apollo space Flights.
it was at the
it was the
was the
the
_____grow close to the ground in the short Artic summer.
Above tundra plants
Tundra plants
Tundra plants are found
For tundra plants
Robert E.Lee ______the Confederate Army to General Grant in 1865 at the Appomattox Courthouse.
surrendered
he surrendered
surrendering
surrender
At around two years of age, many children regularly produce sentences _____three or four words.
are containing
containing
contain
contains
_____at the Isthmus of Panama, so animals were able to migrate between North and South America.
A land bridge existed
When a land bridge existed
A land bridge
With a land bridge
An optical microscope magnifies as much as 2,000 times, but an electron microscope _____ as much as a million times.
magnifying
it magnifies
can magnify
magnify it
