[ General Knowledge ]
amuel wanted to measure how fast insects could crawl. In addition to a ruler, what other tool would Samuel need?
A. A calliper
B. A clock with a second hand
C. A wand
D. A fan with different speed

Random Topics:
Sentence Structure and PunctuationProgressive Verb TensesGerunds/InfinitivesTransitive or Intransitive VerbsPrepositions and Prepositional PhrasesGrammar - Present and Past PassiveLanguage Features: Reflective ArticleSimple and Past TensesArticle and Order of AdjctiveComparative AdjectivesOther quiz:
Vocabulary and Grammar › ViewIdentify the correct sentence that uses the past continuous tense:
A. She was studying for her exam last night.
B. She will study for her exam last night.
C. She is studying for her exam last night.
D. She studied for her exam last night.
Passive with Modals › View
The application __________ carefully before any decisions are made.
A. is considered
B. must be considered
C. was considered
D. will consider
Tenses › ViewMany animals _______ in the cold.
A. Will die
B. Died
C. Dying
Adjective vs Adverb › View
They are ________ tennis players.
A. good
B. well
