[ Grammar ]
We have taught at this school ____ a long time.
A. for
B. since

Random Topics:
-ed or -ingShould and Shouldn'tQuantifiers with NounsAdjectives & QuantifiersGrammar and Sentence CorrectionGrammar - Be going toPrepositionSentence Types and ConjunctionsPrepotitionsVerb AgreementOther quiz:
Perfect Tenses › ViewI need to take a bus because I ____________ my car
A. have sold
B. sell
C. sold
D. was sold
Gerund and Infinitives › View
My mother´s very bad at ___ names
A. remember
B. to remember
C. remembering
Grammar › ViewSomebody (eat) my biscuits without telling me.
A. Somebody eated my biscuits without telling me.
B. Somebody ate my biscuits without telling me.
Adjective + to + Verb › View
it’s difficult to wash
A. a dog
B. a teacher
C. an English book