[ The First Conditional (if/unless) ]
I …. call you unless there’s a problem.
A. don’t
B. doesn’t
C. won’t
D. will

Random Topics:
If Conditional Zero and OneSimple Past/Past ProgressiveGrammar - Present and Past PassiveRelative PronounsProverbsGrammar : can, could and be able toSubject Verb Agreement and Verb TensesApostrophe GrammarAdjectives (-ed / -ing)Gerunds + To InfinitiveOther quiz:
Grammar › ViewI would like ______________ (come) to the party with you.
A. to come
B. coming
Articles & Compound Nouns › View
Let’s make sure that we stay at a hotel with a ________.
A. swimming pool
B. check-out
C. drawback
D. stopover
Tenses › ViewThe technician ………….. repairs on the machinery, so production of the X220 will resume when she has finished.
A. making
B. had made
C. will have been made
D. has been making
Vocabulary › View
He felt a sense of ______ after moving to a new city without any friends.
A. prosperity
B. rage
C. isolation
D. mercy