A careful ______ led to the discovery of a new fossil?
A. design
B. encouraged
C. investigation
D. solution

Random Topics:
Who am I?Perfect and Past TensesFuture Continuous, Future Perfect and Future Perfect ContinuousGrammar : can, could and be able toPassive Voice of TensesPreposition on TimePast Simple and ContinuousIdiomsInfinitive GerundSimple Future TenseOther quiz:
Perfect Tense › ViewThe last time I _______ my grandfather was 2 months ago.
A. had seen
B. saw
C. see
D. have seen
Grammar › View
Which sentence demonstrates correct punctuation?
A. I love to read books.
B. I love to read books,
C. I love to read books!
D. I love to read, books.
Grammar › ViewWhich sentence is punctuated correctly?
A. After we ate lunch we went to a movie, ate popcorn and did some shopping.
B. During the long, intermission of the play everyone chatted about the first act.
C. Dad cooked a fancy, and, delicious dinner and I set the table with our best dishes.
D. Due to the earlier malfunction, the aviation mechanic double-checked the wires.
Grammar › View
Identify the collective noun.
The flock of sheep grazed in the hills.
A. flock
B. grazed
C. hills
D. sheep
