[ 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:
Sentence Structure and Verb Tenses › ViewWhich of the following sentences is in the past progressive tense?
A. He is writing a letter.
B. They were playing basketball when it started to rain.
C. She has traveled to France.
D. I will finish my homework.
Grammar › View
Sam liked the movie, but . . . liked the popcorn more.
A. him
B. his
C. they
D. he
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
