[ Time Clauses of Future ]
Don’t call the emergency number ______ it’s a real emergency.
A. unless
B. if
C. as soon as

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Passive Voice - Present TensesPresent Tense (Negatives and Questions)Gerunds, Infinitives and ParticiplesGrammar - help/have/let/makeAdjective ending with ED & INGDefinite and Indefinite ArticlesSentence Types and ConjunctionsPast Perfect and Past Perfect Continuous TenseModal SpeculationWH- Question WordsOther quiz:
Grammar › ViewWatch
A. fishing
B. a bike
C. some new shoes
D. a DVD
Grammar › View
Q: ________is the longest river in the world?
Ans: Nile River.
A. When
B. Who
C. Which
D. Why
Identifying Tenses › ViewKathy was doing her homework.
Tom and Leila were watching TV.
I wasn’t doing anything.
A. Past simple
B. Past continuous
C. Past perfect simple
D. Past perfect continuous
Grammar › View
She wishes she ______ more money to buy new computer.
A. has
B. had
