[ 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:
Tenses › ViewAnswer: “I work as a teacher.”
What is the question?
A. What did you do?
B. What have you done?
C. What are you doing?
D. What do you do?
Passive Voice › View
This clock … in 1750.
A. is made
B. was made
C. is making
D. will be made
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
