[ Tenses & Conditional Sentence ]
They ___ for five hours by the time the concert starts.
A. will practice
B. will have practiced
C. will have been practicing
D. practice

Random Topics:
Present Simple vs Past SimpleQuestion TagPersonificationGrammar - Similes-ing / InfinitiveArticles and DemonstrativesPhrasal Verb With TakeAdverbApologizingTenses and VerbsOther quiz:
Tenses › ViewWhy —————— you —————- him?
a) Do, beat
b) Did, beat
c) Have, beat
d) Had, beat
Vocabulary and Grammar › View
What is the correct positive sentence in the future continuous tense of “Next Monday/Kate/drive/to/the airport”?
A. Next Monday, Kate will be driving to the airport.
B. Next Monday, Kate drives to the airport.
C. Next Monday, Kate is driving to the airport.
D. Next Monday, Kate will have driven to the airport.