[ Grammar ]
Ed Stafford … many challenges while walking through the Amazon.
A. made
B. met
C. faced
D. approached

Random Topics:
Simple Past Tense (was/were)Comparatives and Past Perfect TenseModals with Perfect InfinitiveAdverbsPresent & Past TensesDirect and Indirect SpeechMixed TensesModal "Have to"Gerunds in SentencesAdjectives & PrepositionOther quiz:
If/Unless - Conditional type 1 › ViewYou should not swim in the river ___ you are a good swimmer.
A. unless
B. if
Conjunctions, Interjections and Determiners › View
You are ___ best student for me!
A. a
B. an
C. the
Grammar › ViewShe was offended and ____ refused to attend the meeting.
A. accordingly
B. besides
C. not only
D. conversely
Vocabulary › View
difference in the way organisms in the same population act
A. characteristics
B. variation
C. behavioral variation
D. physical variation
