[ Grammar ]
__________ earliest successful AI program was written in 1951 by Christopher Strachey, later director of the Programming Research Group at the University of Oxford.
A. A
B. An
C. The
D. That

Random Topics:
Grammar - Be going toGrammar - Verb Forms-ed/-ing AdjectivesComplex SentencesPresent Tenses and ConnectorsShould and Shouldn'tBasic TensesPast Tense vs Present Perfect TensePronoun Antecedent AgreementState Verbs and Action VerbsOther quiz:
Apologizing › ViewWhich one is the expression of apologizing?
A. Please forgive me.
B. You save me.
C. Don’t mention it.
D. Sure. Anytime.
Although / Despite › View
They decided to go ahead with the picnic __________ the bad weather.
A. even though
B. although
C. in spite of
D. when
Grammar › ViewMarcus said he…………………………(try) to find a flat for ages before he finally found one he liked.
A. tried
B. was trying
C. had been trying
D. has been trying
Tenses › View
Tim was tired. He _______ hard all day.
A. has been studying
B. studies
C. studied
D. had been studying
