[ 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 › ViewCould you lend me some money? – I’d like you to give me one good reason ____ I should.
A. That
B. Why
C. Which
D. Who
Tenses › View
I’d like to see Tina again. It’s a long time since _______
A. I last saw her
B. I see her
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
