[ Grammar ]
The professor didn’t begin his lecture ….. all the students were seated.
A. by the time
B. after
C. since
D. until

Random Topics:
Adjectives, ING - EDPassive Voice with Modal VerbsFuture FormsVerb + InfinitiveThings in EnglishPresent Perfect and Present Perfect Continuouswould should couldPast ParticiplesTake or PutDemonstrative Pronouns and Verb TensesOther quiz:
Grammar › ViewWhich of the following sentences is written correctly?
A. “Do we go to recess today or tomorrow,” Jake asked hopefully.
B. Do we go to recess today or tomorrow? Jake asked hopefully.
C. “Do we go to recess today or tomorrow?” Jake asked hopefully.
Past Tense vs Present Tense › View
The sun ….. in the east.
A. rised
B. rose
C. rise
D. rises
Modals Verbs › ViewHe________ be her brother.
A. Must
B. Could
C. Should
D. Shall
Conditional Sentences › View
If it ___________last night, it _______ so hot today
A. rained / is not
B. was raining / were not
C. had rained / would not have been
D. had rained / would not be
