[ Conditional Sentence Type 1 ]
We _______ thousands of trees if we _______ so much paper.
A. save – won’t waste
B. will save – don’t waste

Random Topics:
PunctuationsComparative - SuperlativeModals of ObligationGrammar - Present Perfect with for and sinceTOEIC Grammar and Vocabulary ReviewIdentifying TensesIrregular AdjectivesPresent Continous TenseSubjective and Objective PronounConjunctions and PrepositionsOther quiz:
Grammar, Conditional Sentences, Vocabulary › ViewThe ______ mentioned some interesting anecdotes on the displays as he was conducting the tour in his museum.
A. curator
B. manager
C. librarian
D. masseur
Grammar › View
The tiger ————- talk.
A. can
B. cant
C. can’t
Tag Question › ViewPotter is studying at Luong Van Tuy High school, ____?
A. was he
B. weren’t he
C. isn’t he
D. didn’t he
Simple Present vs Present Progresive › View
I _______________ English class during this month.
A. am not take
B. am not taking
C. are not taking
D. am not take