______ this afternoon, all the participants will have been inside the hall.
A. Once the conference had started
B. By the time the conference will start
C. Before the conference is starting
D. When the conference starts

Random Topics:
Verb Types and TensesPhrasal Verb & Prepositional PhraseModal Verbs in ConditionalsConditional Sentences and AdverbsGerunds in SentencesModals and Adjectives (ed-ing)Relative Pronouns and AdverbsIdentify The TensesAdjective OrderPast Simple (to be)Other quiz:
Vocabulary › ViewOver the years, water therapy has proven quite _____at managing arthritis pain.
A. efficacious
B. aghast
C. uncanny
D. pivot
Subject Verb Agreement › View
Which of the following is an example of a compound subject joined by ‘and’ with a plural verb?
A. One boy and one girl are the finalists.
B. Ham and eggs is a hearty breakfast.
C. Every dog and cat was vaccinated against rabies.
D. The orchestra is playing at Symphony Hall tonight.
Future Tense and Conditionals › ViewShe ____ her homework after dinner.
A. will do
B. do
C. did
D. doing
Grammar › View
I think I’ll have the chicken for my …. . What about you?
A. bowl
B. dessert
C. knife
D. starter
