________ the going gets tough, the tough gets going.
A. since
B. when
C. where
D. because

Random Topics:
Modal Verbs & Time PrepositionsPronunciation and VocabularyProgessive TensesTo Infinitive or Bare InfinitiveSimiles and Body IdiomsInfinitives for reasonsQuantifiers: too many, too much & enoughPoetry VocabularyGrammar (Possessive Pronouns)Auxiliary WordsOther quiz:
Idioms › Viewto take something for granted
A. look it over
B. permit it
C. object to it
D. accept it without investigation
Active and Passive Voice › View
They ……………….. in southern Italy since the end of the war. (LIVE)
A. has lived
B. has been living
C. have been living
Grammar for TOEFL › ViewWe had to postpone the trip __ the weather conditions were too dangerous.
A. after checking the forecast, which showed storms and heavy rain for the week
B. because the forecast indicated severe storms that would make traveling unsafe
C. unless we could change our route to avoid the areas most affected by the storm
D. if the weather had been clear, we would have continued with our original plans
Present Tenses › View
My parents ____ (live) with me just now.
A. live
B. are living
C. have lived
D. have been living
