[ 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 › ViewThe ….. of cows are grazing in the field now.
A. class
B. herd
C. flock
D. gaggle
In/On/At + Time › View
My birthday is ______ August.
A. in
B. on
C. at
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
