[ Adverbial Clauses ]
The boy doesn’t go to bed ______.
A. while his parents were arriving home
B. when his parents will arrive
C. until his parents arrive home
D. by the time his parents arrived home

Random Topics:
Past Tense and NeutralModals and ConditionalsPresent Simple and Modal VerbsGiving and Asking for AbilityArticlesDeterminersPresent Perfect Simple vs ContinuousGrammar - could / could notWill and Going toInterjections, Tag Questions and Nouns of Direct AddressOther quiz:
Modal Verb Gerund or To Infinitive › ViewI know you didn’t see me yesterday because I was out of town. You……me yesterday.
A. shouldn’t have seen
B. mightn’t have seen
C. can’t have seen
D. can’t see
Tenses › View
She ___ the bed at present.
A. makes
B. is making
C. make
D. are making
Verb Tenses › ViewJane _____ an academic presentation once before, but she still didn’t feel very confident doing it.
A. had been giving
B. used to give
C. was giving
D. had given
Grammar › View
Excuse me. Who_____to about my school grades?
A. should I talk
B. I should talk
C. should I talking
