[ Grammar ]
She _____ what she does on space walks.
A. explain
B. explains
Random Topics:
Prepositions after Verbs and AdjectiveIrregular verbsAdjectivesGrammar, Conditional Sentences, VocabularyPresent Perfect and Simple Past TenseRelative Clauses and etcGrammar Present Perfect (ever never)Relative PronounsModals of DeductionModal PerfectOther quiz:
Grammar › ViewChoose the correct verb form to make a sentence in present perfect.
They ______________ this before.
A. do
B. has done
C. done
D. have done
Grammar › View
The skateboard belongs to me. It is _______ skateboard.
A. I
B. me
C. my
D. our
Simple and Past Tenses › ViewOxfam ________ in more than 70 countries.
A. works
B. work
C. working
D. worked
Grammar › View
Which modal verb relates to obligation?
A. should
B. can’t
C. don’t have to
D. mustn’t