[ Subordinating Conjunction ]
You can’t go swimming ______ you wait an hour after eating.
A. while
B. unless
C. until
D. if

Random Topics:
Present Simple: affirmative, negative, interrogativePrepositionsAdverbs, Prefixes, and SuffixesModal and Modal PerfectCorrelative conjunctionsActive and Passive voiceShould and Shouldn'tPast Tense & Past Continuous TenseGrammar - NounsConditionalOther quiz:
Past Tenses › ViewWe __________ already __________ (make) the backup before the server crashed.
A. had … made
B. had … ben maked
C. was … making
D. did … make
Comparison Degree & Gerunds › View
My … sister works as nurse while my younger brother is a lawyer in our country.
A. Old
B. Elder
C. Oldest
D. Eldest
If Conditionals › ViewIf you don’t hurry up, you ____ the bus.
A. miss
B. will miss
C. missed
D. should miss
Future Tenses › View
The sun is shining brightly. I don’t think it _____.
A. is going to rain
B. will rain
C. is raining
D. rains
