[ 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 › View________ the instruction, he knew how to use the fire extinguish
A. Read
B. Reading
C. Having read
D. Having readed
Present/Past/Future Continuous Tense › View
Convert the sentence to past continuous tense:
Ravi ate his food during lunch break.
A. Ravi is eating his food at lunch break.
B. Ravi was eating his food during lunch break.
C. Ravi was eating his food at lunch break.
D. Ravi was eating his food in lunch break.
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