[ Grammar ]
____ it rains tomorrow, the learning trip will be cancelled.
A. If
B. Unless
C. Until

Random Topics:
Modals and Semi-ModalsComperative and SuperlativeSubject and Verb AgreementComparative Adjectivewill, be going to, would like toIntermediate GrammarThe Structural Types of SentencesRelative Clauses and etcDefinite and Zero ArticleFuture Continuous TenseOther quiz:
Grammar › ViewWhat did you do yesterday ?
A. Swimming in the pool
B. Swims in the pool
C. Swam in the pool
D. Swum in the pool
Perfect Verb Tenses › View
Which of the following sentences is in the future perfect tense?
A. She will have learned the lesson by then.
B. She has learned the lesson.
C. She had learned the lesson.
D. She learns the lesson.
Grammar › ViewWe have a break ________ 10:30 _________ 10:45 _________ the morning.
A. from / to / in
B. at / at / in
C. at / and / in
D. at / from/ to
Modal Verbs › View
He ____ speak three languages fluently.
A. can
B. must
C. should
D. might