[ Grammar ]
Please ______ until after the plane ______.
A) not smoke / takes off
B) don’t smoke / has taken off
C) don’t smoke / took off
D) not smoke / has taken off
Random Topics:
Simple Future TenseDeterminers & QuantifiersSentence Structure and Pronoun AntecedentPrepositions of TimePresent simple & ContinuousElectricity VocabularyPresent Perfect and Present Perfect Progressive TensesTenses, Determiners & Subject Verb AgreementLinking Words and ConjunctionModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityOther quiz:
Conjunctions › ViewWould you rather work on math ___ science first?
A. and
B. for
C. so
D. or
Verb Patterns › View
The government is determined __________ the unemployment rate in the next fiscal year.
A. reduce
B. reducing
C. to reduce
D. reduced
The First Conditional › ViewJoe …… happy if she …… .
A. Is, will come
B. Is, come
C. Will be, comes
Conditional Sentences › View
If she ____ harder, she will pass the exam.
A. study
B. studies
C. studied
D. studying