[ Past Tenses ]
Twelve US astronauts … on the moon since 1969.
A. have walked
B. didn’t walk
C. walked
D. has walked
Select your answer:
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Sentence Types and ConjunctionsAdverbs and Adverbial PhrasesPhrasal Verb With TakeTOEIC GrammarClausesAdverb and Noun ClausesAdverb of MannersPresent PerfectConditionals 1,2,3Verb Tenses and Subject Verb AgreementOther quiz:
Grammar & Vocabulary › ViewWhich sentence is wrong?
A. I had a book about skeletons.
B. I read a book about skeletons.
C. I bought a book about skeletons.
D. I met a book about skeletons.
Grammar › View
The ____ careful you are, the _____ mistakes you’ll make.
A. more; few
B. more; fewer
C. more; least
D. more; best