[ 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 › Viewwhat time _____ the class finish?
A. will
B. do
C. does
Grammar › View
It names a person, place or thing.
A. Preposition
B. Verb
C. Adverb
D. Noun
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