[ First Conditional, Future Time Clauses ]
He will immediately send you an email …….. he arrives at the office.
A. as soon as
B. until
C. before

Random Topics:
VOCAB & GRAMMARPresent Simple and Past ContinuousNoun QuantifiersPronouns ( Interrogative )Lexico and GrammarModals of Obligation & ProhibitionHow much or How many?Passive Voice & TensesPrepositionsFrequency AdverbsOther quiz:
Modal Auxiliary › ViewThis smartphone is very expensive. I ….. buy it.
A. won’t
B. will
C. can
D. couldn’t
Passive Voice › View
There’s somebody behind us. I think we are _________.
A. being followed
B. are followed
C. follow
D. following
Articles › ViewShe used ___ deodorant after her workout.
A. a
B. the
C. an
D. ∅
Grammar › View
An apple isn’t as healthy …. orange juice.
A. as
B. than
C. that
