[ Prepositions ]
She’s been working ___ nine this morning.
a. for
b. since

Random Topics:
Modals with Perfect InfinitivePast Simple & Past PerfectPerfect ModalsAdverbs, Prefixes, and SuffixesGrammar-Present Continuous-Sentence MakingDefinite & Indefinite Pronoun & ConditionalsPossessive NounsPre-intermediateTo Infinitive or GerundPassive Modals, Impersonal PassiveOther quiz:
Grammar › ViewYou ________________ (brush) your hair, aren’t you?
A. am brushing
B. brush
C. brushing
D. are brushing
Grammar › View
I bought some pencils ________ are in different colours.
A. whose
B. which
C. what
D. who
Paired Conjunction › ViewHave you made a decision about ……… to go to the movies …. not?
A. not only….but also
B. either……or
C. neither…..nor
D. whether….or
Action, Helping & Linking Verbs › View
The dog was burying a bone.
A. Action
B. Linking
C. Helping