__________ the concert starts, the audience will be asked to turn off their cell phones, __________ they can fully enjoy the performance.
A. Before, so
B. While, so
C. If, and
D. Since, so

Random Topics:
Comparatives, Superlatives, and ModalsPresent Perfect Continuous TenseVerb BEPast Continuous vs Past SimplePresent Continous TenseIdentifying TensesPerfect and Past TenseTOEFL Adjective and AdverbPassive and Active VoiceNarrative TensesOther quiz:
Vocabulary and Grammar › ViewWhat is the correct punctuation for the sentence: Sarah said, ‘I think we need to study harder.’
A. Sarah said, ‘I think we need to study harder.’
B. Sarah said, ‘I think we need to study harder.’
C. Sarah said, ‘I think we need to study harder.’
D. Sarah said, ‘I think we need to study harder.’
There vs. It › View
The following is correct. A: Is there a a post office around here? B: Yes there is.
A. True
B. False
Change this sentence from passive to active: The dog was hit by the neighbor’s car.
A. The neighbor hit the dog.
B. The neighbor was hit the dog.
C. The neighbor’s car has been hitting the dog.
D. The neighbor’s car hit the dog.
Grammar › View
Do you like _______ skirt?
A. this
B. these
